Home / 13,589.42-18,753.59-7,924.01

Finding the Fourth Proportional to 13,589.42, 18,753.59 and 7,924.01

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Solution

The fourth proportional to 13,589.42, 18,753.59 and 7,924.01 is: 10,935.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,589.42 : 18,753.59 = 7,924.01 : x
  2. Step 2: Convert to fraction form
    13,589.42/18,753.59 = 7,924.01/x
  3. Step 3: Cross multiply
    13,589.42x = 18,753.59 × 7,924.01
  4. Step 4: Simplify right side
    13,589.42x = 148,603,560.74
  5. Step 5: Solve for x
    x = 148,603,560.74/13,589.42
  6. Step 6: Final answer
    x = 10,935.24

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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.