Home / 20,444.16-28,214.40-15,068.80

Finding the Fourth Proportional to 20,444.16, 28,214.40 and 15,068.80

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Solution

The fourth proportional to 20,444.16, 28,214.40 and 15,068.80 is: 20,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.16 : 28,214.40 = 15,068.80 : x
  2. Step 2: Convert to fraction form
    20,444.16/28,214.40 = 15,068.80/x
  3. Step 3: Cross multiply
    20,444.16x = 28,214.40 × 15,068.80
  4. Step 4: Simplify right side
    20,444.16x = 425,157,150.72
  5. Step 5: Solve for x
    x = 425,157,150.72/20,444.16
  6. Step 6: Final answer
    x = 20,796.02

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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.