Home / 13,013.56-19,474.98-10,646.20

Finding the Fourth Proportional to 13,013.56, 19,474.98 and 10,646.20

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Solution

The fourth proportional to 13,013.56, 19,474.98 and 10,646.20 is: 15,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.56 : 19,474.98 = 10,646.20 : x
  2. Step 2: Convert to fraction form
    13,013.56/19,474.98 = 10,646.20/x
  3. Step 3: Cross multiply
    13,013.56x = 19,474.98 × 10,646.20
  4. Step 4: Simplify right side
    13,013.56x = 207,334,532.08
  5. Step 5: Solve for x
    x = 207,334,532.08/13,013.56
  6. Step 6: Final answer
    x = 15,932.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.