Home / 14,889.60-20,543.04-8,599.68

Finding the Fourth Proportional to 14,889.60, 20,543.04 and 8,599.68

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Solution

The fourth proportional to 14,889.60, 20,543.04 and 8,599.68 is: 11,864.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,889.60 : 20,543.04 = 8,599.68 : x
  2. Step 2: Convert to fraction form
    14,889.60/20,543.04 = 8,599.68/x
  3. Step 3: Cross multiply
    14,889.60x = 20,543.04 × 8,599.68
  4. Step 4: Simplify right side
    14,889.60x = 176,663,570.23
  5. Step 5: Solve for x
    x = 176,663,570.23/14,889.60
  6. Step 6: Final answer
    x = 11,864.90

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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.