Home / 18,951.49-26,153.15-10,453.92

Finding the Fourth Proportional to 18,951.49, 26,153.15 and 10,453.92

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Solution

The fourth proportional to 18,951.49, 26,153.15 and 10,453.92 is: 14,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.49 : 26,153.15 = 10,453.92 : x
  2. Step 2: Convert to fraction form
    18,951.49/26,153.15 = 10,453.92/x
  3. Step 3: Cross multiply
    18,951.49x = 26,153.15 × 10,453.92
  4. Step 4: Simplify right side
    18,951.49x = 273,402,937.85
  5. Step 5: Solve for x
    x = 273,402,937.85/18,951.49
  6. Step 6: Final answer
    x = 14,426.46

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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.