Home / 42,385.98-63,565.74-14,677.50

Finding the Fourth Proportional to 42,385.98, 63,565.74 and 14,677.50

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Solution

The fourth proportional to 42,385.98, 63,565.74 and 14,677.50 is: 22,011.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,385.98 : 63,565.74 = 14,677.50 : x
  2. Step 2: Convert to fraction form
    42,385.98/63,565.74 = 14,677.50/x
  3. Step 3: Cross multiply
    42,385.98x = 63,565.74 × 14,677.50
  4. Step 4: Simplify right side
    42,385.98x = 932,986,148.85
  5. Step 5: Solve for x
    x = 932,986,148.85/42,385.98
  6. Step 6: Final answer
    x = 22,011.67

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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.