Home / 22,613.98-31,209.21-12,545.67

Finding the Fourth Proportional to 22,613.98, 31,209.21 and 12,545.67

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Solution

The fourth proportional to 22,613.98, 31,209.21 and 12,545.67 is: 17,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.98 : 31,209.21 = 12,545.67 : x
  2. Step 2: Convert to fraction form
    22,613.98/31,209.21 = 12,545.67/x
  3. Step 3: Cross multiply
    22,613.98x = 31,209.21 × 12,545.67
  4. Step 4: Simplify right side
    22,613.98x = 391,540,293.57
  5. Step 5: Solve for x
    x = 391,540,293.57/22,613.98
  6. Step 6: Final answer
    x = 17,314.08

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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.