Home / 16,782.04-25,155.78-8,988.76

Finding the Fourth Proportional to 16,782.04, 25,155.78 and 8,988.76

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Solution

The fourth proportional to 16,782.04, 25,155.78 and 8,988.76 is: 13,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.04 : 25,155.78 = 8,988.76 : x
  2. Step 2: Convert to fraction form
    16,782.04/25,155.78 = 8,988.76/x
  3. Step 3: Cross multiply
    16,782.04x = 25,155.78 × 8,988.76
  4. Step 4: Simplify right side
    16,782.04x = 226,119,269.03
  5. Step 5: Solve for x
    x = 226,119,269.03/16,782.04
  6. Step 6: Final answer
    x = 13,473.88

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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.