Home / 19,169.32-26,453.28-10,785.76

Finding the Fourth Proportional to 19,169.32, 26,453.28 and 10,785.76

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Solution

The fourth proportional to 19,169.32, 26,453.28 and 10,785.76 is: 14,884.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.32 : 26,453.28 = 10,785.76 : x
  2. Step 2: Convert to fraction form
    19,169.32/26,453.28 = 10,785.76/x
  3. Step 3: Cross multiply
    19,169.32x = 26,453.28 × 10,785.76
  4. Step 4: Simplify right side
    19,169.32x = 285,318,729.29
  5. Step 5: Solve for x
    x = 285,318,729.29/19,169.32
  6. Step 6: Final answer
    x = 14,884.13

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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.