Home / 13,553.93-18,704.32-7,586.16

Finding the Fourth Proportional to 13,553.93, 18,704.32 and 7,586.16

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Solution

The fourth proportional to 13,553.93, 18,704.32 and 7,586.16 is: 10,468.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,553.93 : 18,704.32 = 7,586.16 : x
  2. Step 2: Convert to fraction form
    13,553.93/18,704.32 = 7,586.16/x
  3. Step 3: Cross multiply
    13,553.93x = 18,704.32 × 7,586.16
  4. Step 4: Simplify right side
    13,553.93x = 141,893,875.10
  5. Step 5: Solve for x
    x = 141,893,875.10/13,553.93
  6. Step 6: Final answer
    x = 10,468.83

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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.