Home / 15,225.16-22,845.12-13,254.52

Finding the Fourth Proportional to 15,225.16, 22,845.12 and 13,254.52

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Solution

The fourth proportional to 15,225.16, 22,845.12 and 13,254.52 is: 19,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225.16 : 22,845.12 = 13,254.52 : x
  2. Step 2: Convert to fraction form
    15,225.16/22,845.12 = 13,254.52/x
  3. Step 3: Cross multiply
    15,225.16x = 22,845.12 × 13,254.52
  4. Step 4: Simplify right side
    15,225.16x = 302,801,099.94
  5. Step 5: Solve for x
    x = 302,801,099.94/15,225.16
  6. Step 6: Final answer
    x = 19,888.20

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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.