Home / 25,266.90-37,900.35-15,425.40

Finding the Fourth Proportional to 25,266.90, 37,900.35 and 15,425.40

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Solution

The fourth proportional to 25,266.90, 37,900.35 and 15,425.40 is: 23,138.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,266.90 : 37,900.35 = 15,425.40 : x
  2. Step 2: Convert to fraction form
    25,266.90/37,900.35 = 15,425.40/x
  3. Step 3: Cross multiply
    25,266.90x = 37,900.35 × 15,425.40
  4. Step 4: Simplify right side
    25,266.90x = 584,628,058.89
  5. Step 5: Solve for x
    x = 584,628,058.89/25,266.90
  6. Step 6: Final answer
    x = 23,138.10

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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.