Home / 32,700.16-45,124.86-18,553.78

Finding the Fourth Proportional to 32,700.16, 45,124.86 and 18,553.78

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Solution

The fourth proportional to 32,700.16, 45,124.86 and 18,553.78 is: 25,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,700.16 : 45,124.86 = 18,553.78 : x
  2. Step 2: Convert to fraction form
    32,700.16/45,124.86 = 18,553.78/x
  3. Step 3: Cross multiply
    32,700.16x = 45,124.86 × 18,553.78
  4. Step 4: Simplify right side
    32,700.16x = 837,236,724.97
  5. Step 5: Solve for x
    x = 837,236,724.97/32,700.16
  6. Step 6: Final answer
    x = 25,603.44

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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.