Home / 14,599.20-20,148.40-8,937.69

Finding the Fourth Proportional to 14,599.20, 20,148.40 and 8,937.69

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Solution

The fourth proportional to 14,599.20, 20,148.40 and 8,937.69 is: 12,334.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.20 : 20,148.40 = 8,937.69 : x
  2. Step 2: Convert to fraction form
    14,599.20/20,148.40 = 8,937.69/x
  3. Step 3: Cross multiply
    14,599.20x = 20,148.40 × 8,937.69
  4. Step 4: Simplify right side
    14,599.20x = 180,080,151.87
  5. Step 5: Solve for x
    x = 180,080,151.87/14,599.20
  6. Step 6: Final answer
    x = 12,334.93

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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.