Home / 25,561.02-38,349.36-13,089.80

Finding the Fourth Proportional to 25,561.02, 38,349.36 and 13,089.80

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Solution

The fourth proportional to 25,561.02, 38,349.36 and 13,089.80 is: 19,638.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,561.02 : 38,349.36 = 13,089.80 : x
  2. Step 2: Convert to fraction form
    25,561.02/38,349.36 = 13,089.80/x
  3. Step 3: Cross multiply
    25,561.02x = 38,349.36 × 13,089.80
  4. Step 4: Simplify right side
    25,561.02x = 501,985,260.78
  5. Step 5: Solve for x
    x = 501,985,260.78/25,561.02
  6. Step 6: Final answer
    x = 19,638.70

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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.