Home / 25,158.34-37,720.95-14,081.38

Finding the Fourth Proportional to 25,158.34, 37,720.95 and 14,081.38

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Solution

The fourth proportional to 25,158.34, 37,720.95 and 14,081.38 is: 21,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.34 : 37,720.95 = 14,081.38 : x
  2. Step 2: Convert to fraction form
    25,158.34/37,720.95 = 14,081.38/x
  3. Step 3: Cross multiply
    25,158.34x = 37,720.95 × 14,081.38
  4. Step 4: Simplify right side
    25,158.34x = 531,163,030.91
  5. Step 5: Solve for x
    x = 531,163,030.91/25,158.34
  6. Step 6: Final answer
    x = 21,112.80

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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.