Home / 15,122.20-22,683.30-9,873.40

Finding the Fourth Proportional to 15,122.20, 22,683.30 and 9,873.40

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Solution

The fourth proportional to 15,122.20, 22,683.30 and 9,873.40 is: 14,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122.20 : 22,683.30 = 9,873.40 : x
  2. Step 2: Convert to fraction form
    15,122.20/22,683.30 = 9,873.40/x
  3. Step 3: Cross multiply
    15,122.20x = 22,683.30 × 9,873.40
  4. Step 4: Simplify right side
    15,122.20x = 223,961,294.22
  5. Step 5: Solve for x
    x = 223,961,294.22/15,122.20
  6. Step 6: Final answer
    x = 14,810.10

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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.