Home / 13,937.27-20,916.63-8,097.98

Finding the Fourth Proportional to 13,937.27, 20,916.63 and 8,097.98

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Solution

The fourth proportional to 13,937.27, 20,916.63 and 8,097.98 is: 12,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,937.27 : 20,916.63 = 8,097.98 : x
  2. Step 2: Convert to fraction form
    13,937.27/20,916.63 = 8,097.98/x
  3. Step 3: Cross multiply
    13,937.27x = 20,916.63 × 8,097.98
  4. Step 4: Simplify right side
    13,937.27x = 169,382,346.82
  5. Step 5: Solve for x
    x = 169,382,346.82/13,937.27
  6. Step 6: Final answer
    x = 12,153.20

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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.