Home / 18,446.13-25,457.84-10,489.55

Finding the Fourth Proportional to 18,446.13, 25,457.84 and 10,489.55

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Solution

The fourth proportional to 18,446.13, 25,457.84 and 10,489.55 is: 14,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.13 : 25,457.84 = 10,489.55 : x
  2. Step 2: Convert to fraction form
    18,446.13/25,457.84 = 10,489.55/x
  3. Step 3: Cross multiply
    18,446.13x = 25,457.84 × 10,489.55
  4. Step 4: Simplify right side
    18,446.13x = 267,041,347.37
  5. Step 5: Solve for x
    x = 267,041,347.37/18,446.13
  6. Step 6: Final answer
    x = 14,476.82

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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.