Home / 17,523.20-26,270.40-9,315.20

Finding the Fourth Proportional to 17,523.20, 26,270.40 and 9,315.20

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Solution

The fourth proportional to 17,523.20, 26,270.40 and 9,315.20 is: 13,965.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,523.20 : 26,270.40 = 9,315.20 : x
  2. Step 2: Convert to fraction form
    17,523.20/26,270.40 = 9,315.20/x
  3. Step 3: Cross multiply
    17,523.20x = 26,270.40 × 9,315.20
  4. Step 4: Simplify right side
    17,523.20x = 244,714,030.08
  5. Step 5: Solve for x
    x = 244,714,030.08/17,523.20
  6. Step 6: Final answer
    x = 13,965.15

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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.