Home / 13,901.56-19,184.02-7,613.92

Finding the Fourth Proportional to 13,901.56, 19,184.02 and 7,613.92

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Solution

The fourth proportional to 13,901.56, 19,184.02 and 7,613.92 is: 10,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,901.56 : 19,184.02 = 7,613.92 : x
  2. Step 2: Convert to fraction form
    13,901.56/19,184.02 = 7,613.92/x
  3. Step 3: Cross multiply
    13,901.56x = 19,184.02 × 7,613.92
  4. Step 4: Simplify right side
    13,901.56x = 146,065,593.56
  5. Step 5: Solve for x
    x = 146,065,593.56/13,901.56
  6. Step 6: Final answer
    x = 10,507.14

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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.