Home / 42,406.98-63,612.27-14,327.70

Finding the Fourth Proportional to 42,406.98, 63,612.27 and 14,327.70

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Solution

The fourth proportional to 42,406.98, 63,612.27 and 14,327.70 is: 21,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.98 : 63,612.27 = 14,327.70 : x
  2. Step 2: Convert to fraction form
    42,406.98/63,612.27 = 14,327.70/x
  3. Step 3: Cross multiply
    42,406.98x = 63,612.27 × 14,327.70
  4. Step 4: Simplify right side
    42,406.98x = 911,417,520.88
  5. Step 5: Solve for x
    x = 911,417,520.88/42,406.98
  6. Step 6: Final answer
    x = 21,492.16

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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.