Home / 14,715.66-20,332.98-12,944.22

Finding the Fourth Proportional to 14,715.66, 20,332.98 and 12,944.22

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Solution

The fourth proportional to 14,715.66, 20,332.98 and 12,944.22 is: 17,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,715.66 : 20,332.98 = 12,944.22 : x
  2. Step 2: Convert to fraction form
    14,715.66/20,332.98 = 12,944.22/x
  3. Step 3: Cross multiply
    14,715.66x = 20,332.98 × 12,944.22
  4. Step 4: Simplify right side
    14,715.66x = 263,194,566.38
  5. Step 5: Solve for x
    x = 263,194,566.38/14,715.66
  6. Step 6: Final answer
    x = 17,885.34

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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.