Home / 42,513.80-63,770.70-14,805.32

Finding the Fourth Proportional to 42,513.80, 63,770.70 and 14,805.32

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Solution

The fourth proportional to 42,513.80, 63,770.70 and 14,805.32 is: 22,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,513.80 : 63,770.70 = 14,805.32 : x
  2. Step 2: Convert to fraction form
    42,513.80/63,770.70 = 14,805.32/x
  3. Step 3: Cross multiply
    42,513.80x = 63,770.70 × 14,805.32
  4. Step 4: Simplify right side
    42,513.80x = 944,145,620.12
  5. Step 5: Solve for x
    x = 944,145,620.12/42,513.80
  6. Step 6: Final answer
    x = 22,207.98

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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.