Home / 14,117.04-19,479.72-8,148.72

Finding the Fourth Proportional to 14,117.04, 19,479.72 and 8,148.72

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Solution

The fourth proportional to 14,117.04, 19,479.72 and 8,148.72 is: 11,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,117.04 : 19,479.72 = 8,148.72 : x
  2. Step 2: Convert to fraction form
    14,117.04/19,479.72 = 8,148.72/x
  3. Step 3: Cross multiply
    14,117.04x = 19,479.72 × 8,148.72
  4. Step 4: Simplify right side
    14,117.04x = 158,734,783.96
  5. Step 5: Solve for x
    x = 158,734,783.96/14,117.04
  6. Step 6: Final answer
    x = 11,244.20

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Half scale
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Double scale
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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.