Home / 18,545.76-25,572.78-11,823.84

Finding the Fourth Proportional to 18,545.76, 25,572.78 and 11,823.84

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Solution

The fourth proportional to 18,545.76, 25,572.78 and 11,823.84 is: 16,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.76 : 25,572.78 = 11,823.84 : x
  2. Step 2: Convert to fraction form
    18,545.76/25,572.78 = 11,823.84/x
  3. Step 3: Cross multiply
    18,545.76x = 25,572.78 × 11,823.84
  4. Step 4: Simplify right side
    18,545.76x = 302,368,459.08
  5. Step 5: Solve for x
    x = 302,368,459.08/18,545.76
  6. Step 6: Final answer
    x = 16,303.91

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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.