Home / 12,374.64-18,545.76-10,631.52

Finding the Fourth Proportional to 12,374.64, 18,545.76 and 10,631.52

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Solution

The fourth proportional to 12,374.64, 18,545.76 and 10,631.52 is: 15,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.64 : 18,545.76 = 10,631.52 : x
  2. Step 2: Convert to fraction form
    12,374.64/18,545.76 = 10,631.52/x
  3. Step 3: Cross multiply
    12,374.64x = 18,545.76 × 10,631.52
  4. Step 4: Simplify right side
    12,374.64x = 197,169,618.36
  5. Step 5: Solve for x
    x = 197,169,618.36/12,374.64
  6. Step 6: Final answer
    x = 15,933.36

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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.