Home / 15,531.28-23,288.04-7,207.01

Finding the Fourth Proportional to 15,531.28, 23,288.04 and 7,207.01

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Solution

The fourth proportional to 15,531.28, 23,288.04 and 7,207.01 is: 10,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.28 : 23,288.04 = 7,207.01 : x
  2. Step 2: Convert to fraction form
    15,531.28/23,288.04 = 7,207.01/x
  3. Step 3: Cross multiply
    15,531.28x = 23,288.04 × 7,207.01
  4. Step 4: Simplify right side
    15,531.28x = 167,837,168.35
  5. Step 5: Solve for x
    x = 167,837,168.35/15,531.28
  6. Step 6: Final answer
    x = 10,806.40

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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.