Home / 17,953.30-24,770.54-10,781.28

Finding the Fourth Proportional to 17,953.30, 24,770.54 and 10,781.28

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Solution

The fourth proportional to 17,953.30, 24,770.54 and 10,781.28 is: 14,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953.30 : 24,770.54 = 10,781.28 : x
  2. Step 2: Convert to fraction form
    17,953.30/24,770.54 = 10,781.28/x
  3. Step 3: Cross multiply
    17,953.30x = 24,770.54 × 10,781.28
  4. Step 4: Simplify right side
    17,953.30x = 267,058,127.49
  5. Step 5: Solve for x
    x = 267,058,127.49/17,953.30
  6. Step 6: Final answer
    x = 14,875.16

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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.