Home / 15,458.52-21,341.03-12,094.19

Finding the Fourth Proportional to 15,458.52, 21,341.03 and 12,094.19

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Solution

The fourth proportional to 15,458.52, 21,341.03 and 12,094.19 is: 16,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.52 : 21,341.03 = 12,094.19 : x
  2. Step 2: Convert to fraction form
    15,458.52/21,341.03 = 12,094.19/x
  3. Step 3: Cross multiply
    15,458.52x = 21,341.03 × 12,094.19
  4. Step 4: Simplify right side
    15,458.52x = 258,102,471.62
  5. Step 5: Solve for x
    x = 258,102,471.62/15,458.52
  6. Step 6: Final answer
    x = 16,696.45

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Half scale
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Double scale
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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.