Home / 25,165.40-34,724.45-13,835.37

Finding the Fourth Proportional to 25,165.40, 34,724.45 and 13,835.37

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Solution

The fourth proportional to 25,165.40, 34,724.45 and 13,835.37 is: 19,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.40 : 34,724.45 = 13,835.37 : x
  2. Step 2: Convert to fraction form
    25,165.40/34,724.45 = 13,835.37/x
  3. Step 3: Cross multiply
    25,165.40x = 34,724.45 × 13,835.37
  4. Step 4: Simplify right side
    25,165.40x = 480,425,700.78
  5. Step 5: Solve for x
    x = 480,425,700.78/25,165.40
  6. Step 6: Final answer
    x = 19,090.72

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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.