Home / 14,785.19-20,400.51-8,496.35

Finding the Fourth Proportional to 14,785.19, 20,400.51 and 8,496.35

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Solution

The fourth proportional to 14,785.19, 20,400.51 and 8,496.35 is: 11,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.19 : 20,400.51 = 8,496.35 : x
  2. Step 2: Convert to fraction form
    14,785.19/20,400.51 = 8,496.35/x
  3. Step 3: Cross multiply
    14,785.19x = 20,400.51 × 8,496.35
  4. Step 4: Simplify right side
    14,785.19x = 173,329,728.65
  5. Step 5: Solve for x
    x = 173,329,728.65/14,785.19
  6. Step 6: Final answer
    x = 11,723.20

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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.