Home / 13,560.24-18,714.06-7,591.77

Finding the Fourth Proportional to 13,560.24, 18,714.06 and 7,591.77

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Solution

The fourth proportional to 13,560.24, 18,714.06 and 7,591.77 is: 10,477.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.24 : 18,714.06 = 7,591.77 : x
  2. Step 2: Convert to fraction form
    13,560.24/18,714.06 = 7,591.77/x
  3. Step 3: Cross multiply
    13,560.24x = 18,714.06 × 7,591.77
  4. Step 4: Simplify right side
    13,560.24x = 142,072,839.29
  5. Step 5: Solve for x
    x = 142,072,839.29/13,560.24
  6. Step 6: Final answer
    x = 10,477.16

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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.