Home / 15,732.48-21,713.60-9,445.26

Finding the Fourth Proportional to 15,732.48, 21,713.60 and 9,445.26

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Solution

The fourth proportional to 15,732.48, 21,713.60 and 9,445.26 is: 13,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,732.48 : 21,713.60 = 9,445.26 : x
  2. Step 2: Convert to fraction form
    15,732.48/21,713.60 = 9,445.26/x
  3. Step 3: Cross multiply
    15,732.48x = 21,713.60 × 9,445.26
  4. Step 4: Simplify right side
    15,732.48x = 205,090,597.54
  5. Step 5: Solve for x
    x = 205,090,597.54/15,732.48
  6. Step 6: Final answer
    x = 13,036.13

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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.