Home / 14,909.01-20,578.30-9,240.43

Finding the Fourth Proportional to 14,909.01, 20,578.30 and 9,240.43

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Solution

The fourth proportional to 14,909.01, 20,578.30 and 9,240.43 is: 12,754.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.01 : 20,578.30 = 9,240.43 : x
  2. Step 2: Convert to fraction form
    14,909.01/20,578.30 = 9,240.43/x
  3. Step 3: Cross multiply
    14,909.01x = 20,578.30 × 9,240.43
  4. Step 4: Simplify right side
    14,909.01x = 190,152,356.68
  5. Step 5: Solve for x
    x = 190,152,356.68/14,909.01
  6. Step 6: Final answer
    x = 12,754.19

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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.