Home / 23,169.68-31,948.80-17,212.40

Finding the Fourth Proportional to 23,169.68, 31,948.80 and 17,212.40

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Solution

The fourth proportional to 23,169.68, 31,948.80 and 17,212.40 is: 23,734.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.68 : 31,948.80 = 17,212.40 : x
  2. Step 2: Convert to fraction form
    23,169.68/31,948.80 = 17,212.40/x
  3. Step 3: Cross multiply
    23,169.68x = 31,948.80 × 17,212.40
  4. Step 4: Simplify right side
    23,169.68x = 549,915,525.12
  5. Step 5: Solve for x
    x = 549,915,525.12/23,169.68
  6. Step 6: Final answer
    x = 23,734.27

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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.