Home / 26,387.32-39,597.54-19,258.12

Finding the Fourth Proportional to 26,387.32, 39,597.54 and 19,258.12

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Solution

The fourth proportional to 26,387.32, 39,597.54 and 19,258.12 is: 28,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.32 : 39,597.54 = 19,258.12 : x
  2. Step 2: Convert to fraction form
    26,387.32/39,597.54 = 19,258.12/x
  3. Step 3: Cross multiply
    26,387.32x = 39,597.54 × 19,258.12
  4. Step 4: Simplify right side
    26,387.32x = 762,574,177.02
  5. Step 5: Solve for x
    x = 762,574,177.02/26,387.32
  6. Step 6: Final answer
    x = 28,899.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.