Home / 25,557.18-38,348.32-11,526.90

Finding the Fourth Proportional to 25,557.18, 38,348.32 and 11,526.90

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Solution

The fourth proportional to 25,557.18, 38,348.32 and 11,526.90 is: 17,296.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.18 : 38,348.32 = 11,526.90 : x
  2. Step 2: Convert to fraction form
    25,557.18/38,348.32 = 11,526.90/x
  3. Step 3: Cross multiply
    25,557.18x = 38,348.32 × 11,526.90
  4. Step 4: Simplify right side
    25,557.18x = 442,037,058.07
  5. Step 5: Solve for x
    x = 442,037,058.07/25,557.18
  6. Step 6: Final answer
    x = 17,296.01

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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.