Home / 16,490.36-24,742.45-7,125.55

Finding the Fourth Proportional to 16,490.36, 24,742.45 and 7,125.55

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Solution

The fourth proportional to 16,490.36, 24,742.45 and 7,125.55 is: 10,691.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.36 : 24,742.45 = 7,125.55 : x
  2. Step 2: Convert to fraction form
    16,490.36/24,742.45 = 7,125.55/x
  3. Step 3: Cross multiply
    16,490.36x = 24,742.45 × 7,125.55
  4. Step 4: Simplify right side
    16,490.36x = 176,303,564.60
  5. Step 5: Solve for x
    x = 176,303,564.60/16,490.36
  6. Step 6: Final answer
    x = 10,691.31

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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.