Home / 15,549.27-21,466.89-10,253.32

Finding the Fourth Proportional to 15,549.27, 21,466.89 and 10,253.32

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Solution

The fourth proportional to 15,549.27, 21,466.89 and 10,253.32 is: 14,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549.27 : 21,466.89 = 10,253.32 : x
  2. Step 2: Convert to fraction form
    15,549.27/21,466.89 = 10,253.32/x
  3. Step 3: Cross multiply
    15,549.27x = 21,466.89 × 10,253.32
  4. Step 4: Simplify right side
    15,549.27x = 220,106,892.57
  5. Step 5: Solve for x
    x = 220,106,892.57/15,549.27
  6. Step 6: Final answer
    x = 14,155.45

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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.