Home / 23,278.96-32,119.50-13,205.08

Finding the Fourth Proportional to 23,278.96, 32,119.50 and 13,205.08

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Solution

The fourth proportional to 23,278.96, 32,119.50 and 13,205.08 is: 18,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,278.96 : 32,119.50 = 13,205.08 : x
  2. Step 2: Convert to fraction form
    23,278.96/32,119.50 = 13,205.08/x
  3. Step 3: Cross multiply
    23,278.96x = 32,119.50 × 13,205.08
  4. Step 4: Simplify right side
    23,278.96x = 424,140,567.06
  5. Step 5: Solve for x
    x = 424,140,567.06/23,278.96
  6. Step 6: Final answer
    x = 18,219.91

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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.