Home / 25,103.04-34,638.60-15,029.10

Finding the Fourth Proportional to 25,103.04, 34,638.60 and 15,029.10

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Solution

The fourth proportional to 25,103.04, 34,638.60 and 15,029.10 is: 20,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.04 : 34,638.60 = 15,029.10 : x
  2. Step 2: Convert to fraction form
    25,103.04/34,638.60 = 15,029.10/x
  3. Step 3: Cross multiply
    25,103.04x = 34,638.60 × 15,029.10
  4. Step 4: Simplify right side
    25,103.04x = 520,586,983.26
  5. Step 5: Solve for x
    x = 520,586,983.26/25,103.04
  6. Step 6: Final answer
    x = 20,738.01

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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.