Home / 14,082.07-19,437.58-8,117.72

Finding the Fourth Proportional to 14,082.07, 19,437.58 and 8,117.72

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Solution

The fourth proportional to 14,082.07, 19,437.58 and 8,117.72 is: 11,204.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,082.07 : 19,437.58 = 8,117.72 : x
  2. Step 2: Convert to fraction form
    14,082.07/19,437.58 = 8,117.72/x
  3. Step 3: Cross multiply
    14,082.07x = 19,437.58 × 8,117.72
  4. Step 4: Simplify right side
    14,082.07x = 157,788,831.92
  5. Step 5: Solve for x
    x = 157,788,831.92/14,082.07
  6. Step 6: Final answer
    x = 11,204.95

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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.