Home / 15,948.90-23,923.35-7,200.90

Finding the Fourth Proportional to 15,948.90, 23,923.35 and 7,200.90

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Solution

The fourth proportional to 15,948.90, 23,923.35 and 7,200.90 is: 10,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.90 : 23,923.35 = 7,200.90 : x
  2. Step 2: Convert to fraction form
    15,948.90/23,923.35 = 7,200.90/x
  3. Step 3: Cross multiply
    15,948.90x = 23,923.35 × 7,200.90
  4. Step 4: Simplify right side
    15,948.90x = 172,269,651.02
  5. Step 5: Solve for x
    x = 172,269,651.02/15,948.90
  6. Step 6: Final answer
    x = 10,801.35

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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.