Home / 14,565.75-20,104.05-10,312.39

Finding the Fourth Proportional to 14,565.75, 20,104.05 and 10,312.39

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Solution

The fourth proportional to 14,565.75, 20,104.05 and 10,312.39 is: 14,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565.75 : 20,104.05 = 10,312.39 : x
  2. Step 2: Convert to fraction form
    14,565.75/20,104.05 = 10,312.39/x
  3. Step 3: Cross multiply
    14,565.75x = 20,104.05 × 10,312.39
  4. Step 4: Simplify right side
    14,565.75x = 207,320,753.92
  5. Step 5: Solve for x
    x = 207,320,753.92/14,565.75
  6. Step 6: Final answer
    x = 14,233.45

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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.