Home / 25,476.19-38,158.53-18,058.15

Finding the Fourth Proportional to 25,476.19, 38,158.53 and 18,058.15

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Solution

The fourth proportional to 25,476.19, 38,158.53 and 18,058.15 is: 27,047.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.19 : 38,158.53 = 18,058.15 : x
  2. Step 2: Convert to fraction form
    25,476.19/38,158.53 = 18,058.15/x
  3. Step 3: Cross multiply
    25,476.19x = 38,158.53 × 18,058.15
  4. Step 4: Simplify right side
    25,476.19x = 689,072,458.52
  5. Step 5: Solve for x
    x = 689,072,458.52/25,476.19
  6. Step 6: Final answer
    x = 27,047.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.