Home / 19,397.10-29,091.54-8,864.13

Finding the Fourth Proportional to 19,397.10, 29,091.54 and 8,864.13

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Solution

The fourth proportional to 19,397.10, 29,091.54 and 8,864.13 is: 13,294.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,397.10 : 29,091.54 = 8,864.13 : x
  2. Step 2: Convert to fraction form
    19,397.10/29,091.54 = 8,864.13/x
  3. Step 3: Cross multiply
    19,397.10x = 29,091.54 × 8,864.13
  4. Step 4: Simplify right side
    19,397.10x = 257,871,192.46
  5. Step 5: Solve for x
    x = 257,871,192.46/19,397.10
  6. Step 6: Final answer
    x = 13,294.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.