Home / 18,543.13-25,589.36-10,045.06

Finding the Fourth Proportional to 18,543.13, 25,589.36 and 10,045.06

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Solution

The fourth proportional to 18,543.13, 25,589.36 and 10,045.06 is: 13,862.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,543.13 : 25,589.36 = 10,045.06 : x
  2. Step 2: Convert to fraction form
    18,543.13/25,589.36 = 10,045.06/x
  3. Step 3: Cross multiply
    18,543.13x = 25,589.36 × 10,045.06
  4. Step 4: Simplify right side
    18,543.13x = 257,046,606.34
  5. Step 5: Solve for x
    x = 257,046,606.34/18,543.13
  6. Step 6: Final answer
    x = 13,862.09

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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.