Home / 20,327.02-28,050.51-11,373.69

Finding the Fourth Proportional to 20,327.02, 28,050.51 and 11,373.69

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Solution

The fourth proportional to 20,327.02, 28,050.51 and 11,373.69 is: 15,695.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.02 : 28,050.51 = 11,373.69 : x
  2. Step 2: Convert to fraction form
    20,327.02/28,050.51 = 11,373.69/x
  3. Step 3: Cross multiply
    20,327.02x = 28,050.51 × 11,373.69
  4. Step 4: Simplify right side
    20,327.02x = 319,037,805.08
  5. Step 5: Solve for x
    x = 319,037,805.08/20,327.02
  6. Step 6: Final answer
    x = 15,695.26

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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.