Home / 13,467.15-18,585.47-7,498.65

Finding the Fourth Proportional to 13,467.15, 18,585.47 and 7,498.65

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Solution

The fourth proportional to 13,467.15, 18,585.47 and 7,498.65 is: 10,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.15 : 18,585.47 = 7,498.65 : x
  2. Step 2: Convert to fraction form
    13,467.15/18,585.47 = 7,498.65/x
  3. Step 3: Cross multiply
    13,467.15x = 18,585.47 × 7,498.65
  4. Step 4: Simplify right side
    13,467.15x = 139,365,897.12
  5. Step 5: Solve for x
    x = 139,365,897.12/13,467.15
  6. Step 6: Final answer
    x = 10,348.58

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Half scale
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Double scale
Find fourth proportional to 13,468.15, 18,586.85 and 7,499.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.