Home / 22,488.60-31,036.14-12,417.96

Finding the Fourth Proportional to 22,488.60, 31,036.14 and 12,417.96

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Solution

The fourth proportional to 22,488.60, 31,036.14 and 12,417.96 is: 17,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.60 : 31,036.14 = 12,417.96 : x
  2. Step 2: Convert to fraction form
    22,488.60/31,036.14 = 12,417.96/x
  3. Step 3: Cross multiply
    22,488.60x = 31,036.14 × 12,417.96
  4. Step 4: Simplify right side
    22,488.60x = 385,405,545.07
  5. Step 5: Solve for x
    x = 385,405,545.07/22,488.60
  6. Step 6: Final answer
    x = 17,137.82

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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.