Home / 23,345.28-32,220.18-13,919.31

Finding the Fourth Proportional to 23,345.28, 32,220.18 and 13,919.31

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Solution

The fourth proportional to 23,345.28, 32,220.18 and 13,919.31 is: 19,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,345.28 : 32,220.18 = 13,919.31 : x
  2. Step 2: Convert to fraction form
    23,345.28/32,220.18 = 13,919.31/x
  3. Step 3: Cross multiply
    23,345.28x = 32,220.18 × 13,919.31
  4. Step 4: Simplify right side
    23,345.28x = 448,482,673.68
  5. Step 5: Solve for x
    x = 448,482,673.68/23,345.28
  6. Step 6: Final answer
    x = 19,210.85

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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.