Home / 18,951.46-26,153.18-10,453.90

Finding the Fourth Proportional to 18,951.46, 26,153.18 and 10,453.90

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Solution

The fourth proportional to 18,951.46, 26,153.18 and 10,453.90 is: 14,426.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,951.46 : 26,153.18 = 10,453.90 : x
  2. Step 2: Convert to fraction form
    18,951.46/26,153.18 = 10,453.90/x
  3. Step 3: Cross multiply
    18,951.46x = 26,153.18 × 10,453.90
  4. Step 4: Simplify right side
    18,951.46x = 273,402,728.40
  5. Step 5: Solve for x
    x = 273,402,728.40/18,951.46
  6. Step 6: Final answer
    x = 14,426.47

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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.