Home / 15,551.10-23,319.90-7,228.35

Finding the Fourth Proportional to 15,551.10, 23,319.90 and 7,228.35

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Solution

The fourth proportional to 15,551.10, 23,319.90 and 7,228.35 is: 10,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,551.10 : 23,319.90 = 7,228.35 : x
  2. Step 2: Convert to fraction form
    15,551.10/23,319.90 = 7,228.35/x
  3. Step 3: Cross multiply
    15,551.10x = 23,319.90 × 7,228.35
  4. Step 4: Simplify right side
    15,551.10x = 168,564,399.17
  5. Step 5: Solve for x
    x = 168,564,399.17/15,551.10
  6. Step 6: Final answer
    x = 10,839.39

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1.5x scale

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.