Home / 23,357.97-32,209.61-15,390.09

Finding the Fourth Proportional to 23,357.97, 32,209.61 and 15,390.09

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Solution

The fourth proportional to 23,357.97, 32,209.61 and 15,390.09 is: 21,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,357.97 : 32,209.61 = 15,390.09 : x
  2. Step 2: Convert to fraction form
    23,357.97/32,209.61 = 15,390.09/x
  3. Step 3: Cross multiply
    23,357.97x = 32,209.61 × 15,390.09
  4. Step 4: Simplify right side
    23,357.97x = 495,708,719.81
  5. Step 5: Solve for x
    x = 495,708,719.81/23,357.97
  6. Step 6: Final answer
    x = 21,222.25

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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.