Home / 25,648.84-35,395.55-15,038.65

Finding the Fourth Proportional to 25,648.84, 35,395.55 and 15,038.65

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Solution

The fourth proportional to 25,648.84, 35,395.55 and 15,038.65 is: 20,753.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.84 : 35,395.55 = 15,038.65 : x
  2. Step 2: Convert to fraction form
    25,648.84/35,395.55 = 15,038.65/x
  3. Step 3: Cross multiply
    25,648.84x = 35,395.55 × 15,038.65
  4. Step 4: Simplify right side
    25,648.84x = 532,301,288.01
  5. Step 5: Solve for x
    x = 532,301,288.01/25,648.84
  6. Step 6: Final answer
    x = 20,753.43

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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.