Home / 15,289.02-22,929.21-5,422.95

Finding the Fourth Proportional to 15,289.02, 22,929.21 and 5,422.95

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Solution

The fourth proportional to 15,289.02, 22,929.21 and 5,422.95 is: 8,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.02 : 22,929.21 = 5,422.95 : x
  2. Step 2: Convert to fraction form
    15,289.02/22,929.21 = 5,422.95/x
  3. Step 3: Cross multiply
    15,289.02x = 22,929.21 × 5,422.95
  4. Step 4: Simplify right side
    15,289.02x = 124,343,959.37
  5. Step 5: Solve for x
    x = 124,343,959.37/15,289.02
  6. Step 6: Final answer
    x = 8,132.89

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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.