Home / 24,989.80-34,480.24-14,921.50

Finding the Fourth Proportional to 24,989.80, 34,480.24 and 14,921.50

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Solution

The fourth proportional to 24,989.80, 34,480.24 and 14,921.50 is: 20,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,989.80 : 34,480.24 = 14,921.50 : x
  2. Step 2: Convert to fraction form
    24,989.80/34,480.24 = 14,921.50/x
  3. Step 3: Cross multiply
    24,989.80x = 34,480.24 × 14,921.50
  4. Step 4: Simplify right side
    24,989.80x = 514,496,901.16
  5. Step 5: Solve for x
    x = 514,496,901.16/24,989.80
  6. Step 6: Final answer
    x = 20,588.28

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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.