Home / 18,581.18-25,642.47-10,624.15

Finding the Fourth Proportional to 18,581.18, 25,642.47 and 10,624.15

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Solution

The fourth proportional to 18,581.18, 25,642.47 and 10,624.15 is: 14,661.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.18 : 25,642.47 = 10,624.15 : x
  2. Step 2: Convert to fraction form
    18,581.18/25,642.47 = 10,624.15/x
  3. Step 3: Cross multiply
    18,581.18x = 25,642.47 × 10,624.15
  4. Step 4: Simplify right side
    18,581.18x = 272,429,447.65
  5. Step 5: Solve for x
    x = 272,429,447.65/18,581.18
  6. Step 6: Final answer
    x = 14,661.58

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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.