Home / 26,128.16-36,057.12-14,191.60

Finding the Fourth Proportional to 26,128.16, 36,057.12 and 14,191.60

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Solution

The fourth proportional to 26,128.16, 36,057.12 and 14,191.60 is: 19,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,128.16 : 36,057.12 = 14,191.60 : x
  2. Step 2: Convert to fraction form
    26,128.16/36,057.12 = 14,191.60/x
  3. Step 3: Cross multiply
    26,128.16x = 36,057.12 × 14,191.60
  4. Step 4: Simplify right side
    26,128.16x = 511,708,224.19
  5. Step 5: Solve for x
    x = 511,708,224.19/26,128.16
  6. Step 6: Final answer
    x = 19,584.55

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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.