Home / 25,427.12-35,065.20-19,459.04

Finding the Fourth Proportional to 25,427.12, 35,065.20 and 19,459.04

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Solution

The fourth proportional to 25,427.12, 35,065.20 and 19,459.04 is: 26,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.12 : 35,065.20 = 19,459.04 : x
  2. Step 2: Convert to fraction form
    25,427.12/35,065.20 = 19,459.04/x
  3. Step 3: Cross multiply
    25,427.12x = 35,065.20 × 19,459.04
  4. Step 4: Simplify right side
    25,427.12x = 682,335,129.41
  5. Step 5: Solve for x
    x = 682,335,129.41/25,427.12
  6. Step 6: Final answer
    x = 26,834.94

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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.