Home / 18,700.04-25,753.56-18,291.80

Finding the Fourth Proportional to 18,700.04, 25,753.56 and 18,291.80

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Solution

The fourth proportional to 18,700.04, 25,753.56 and 18,291.80 is: 25,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700.04 : 25,753.56 = 18,291.80 : x
  2. Step 2: Convert to fraction form
    18,700.04/25,753.56 = 18,291.80/x
  3. Step 3: Cross multiply
    18,700.04x = 25,753.56 × 18,291.80
  4. Step 4: Simplify right side
    18,700.04x = 471,078,968.81
  5. Step 5: Solve for x
    x = 471,078,968.81/18,700.04
  6. Step 6: Final answer
    x = 25,191.33

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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.