Home / 15,756.31-23,638.15-5,368.06

Finding the Fourth Proportional to 15,756.31, 23,638.15 and 5,368.06

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Solution

The fourth proportional to 15,756.31, 23,638.15 and 5,368.06 is: 8,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,756.31 : 23,638.15 = 5,368.06 : x
  2. Step 2: Convert to fraction form
    15,756.31/23,638.15 = 5,368.06/x
  3. Step 3: Cross multiply
    15,756.31x = 23,638.15 × 5,368.06
  4. Step 4: Simplify right side
    15,756.31x = 126,891,007.49
  5. Step 5: Solve for x
    x = 126,891,007.49/15,756.31
  6. Step 6: Final answer
    x = 8,053.35

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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.