Home / 18,581.53-25,641.61-10,624.63

Finding the Fourth Proportional to 18,581.53, 25,641.61 and 10,624.63

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Solution

The fourth proportional to 18,581.53, 25,641.61 and 10,624.63 is: 14,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.53 : 25,641.61 = 10,624.63 : x
  2. Step 2: Convert to fraction form
    18,581.53/25,641.61 = 10,624.63/x
  3. Step 3: Cross multiply
    18,581.53x = 25,641.61 × 10,624.63
  4. Step 4: Simplify right side
    18,581.53x = 272,432,618.85
  5. Step 5: Solve for x
    x = 272,432,618.85/18,581.53
  6. Step 6: Final answer
    x = 14,661.47

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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.