Home / 13,588.43-18,753.30-7,925.01

Finding the Fourth Proportional to 13,588.43, 18,753.30 and 7,925.01

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Solution

The fourth proportional to 13,588.43, 18,753.30 and 7,925.01 is: 10,937.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.43 : 18,753.30 = 7,925.01 : x
  2. Step 2: Convert to fraction form
    13,588.43/18,753.30 = 7,925.01/x
  3. Step 3: Cross multiply
    13,588.43x = 18,753.30 × 7,925.01
  4. Step 4: Simplify right side
    13,588.43x = 148,620,155.65
  5. Step 5: Solve for x
    x = 148,620,155.65/13,588.43
  6. Step 6: Final answer
    x = 10,937.25

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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.