Home / 15,429.50-23,113.28-7,097.90

Finding the Fourth Proportional to 15,429.50, 23,113.28 and 7,097.90

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Solution

The fourth proportional to 15,429.50, 23,113.28 and 7,097.90 is: 10,632.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.50 : 23,113.28 = 7,097.90 : x
  2. Step 2: Convert to fraction form
    15,429.50/23,113.28 = 7,097.90/x
  3. Step 3: Cross multiply
    15,429.50x = 23,113.28 × 7,097.90
  4. Step 4: Simplify right side
    15,429.50x = 164,055,750.11
  5. Step 5: Solve for x
    x = 164,055,750.11/15,429.50
  6. Step 6: Final answer
    x = 10,632.60

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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.