Home / 23,404.04-32,279.20-20,718.08

Finding the Fourth Proportional to 23,404.04, 32,279.20 and 20,718.08

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Solution

The fourth proportional to 23,404.04, 32,279.20 and 20,718.08 is: 28,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,404.04 : 32,279.20 = 20,718.08 : x
  2. Step 2: Convert to fraction form
    23,404.04/32,279.20 = 20,718.08/x
  3. Step 3: Cross multiply
    23,404.04x = 32,279.20 × 20,718.08
  4. Step 4: Simplify right side
    23,404.04x = 668,763,047.94
  5. Step 5: Solve for x
    x = 668,763,047.94/23,404.04
  6. Step 6: Final answer
    x = 28,574.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.