Home / 15,406.20-23,109.30-9,574.20

Finding the Fourth Proportional to 15,406.20, 23,109.30 and 9,574.20

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Solution

The fourth proportional to 15,406.20, 23,109.30 and 9,574.20 is: 14,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.20 : 23,109.30 = 9,574.20 : x
  2. Step 2: Convert to fraction form
    15,406.20/23,109.30 = 9,574.20/x
  3. Step 3: Cross multiply
    15,406.20x = 23,109.30 × 9,574.20
  4. Step 4: Simplify right side
    15,406.20x = 221,253,060.06
  5. Step 5: Solve for x
    x = 221,253,060.06/15,406.20
  6. Step 6: Final answer
    x = 14,361.30

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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.