Home / 25,648.39-35,396.55-14,320.12

Finding the Fourth Proportional to 25,648.39, 35,396.55 and 14,320.12

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Solution

The fourth proportional to 25,648.39, 35,396.55 and 14,320.12 is: 19,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,648.39 : 35,396.55 = 14,320.12 : x
  2. Step 2: Convert to fraction form
    25,648.39/35,396.55 = 14,320.12/x
  3. Step 3: Cross multiply
    25,648.39x = 35,396.55 × 14,320.12
  4. Step 4: Simplify right side
    25,648.39x = 506,882,843.59
  5. Step 5: Solve for x
    x = 506,882,843.59/25,648.39
  6. Step 6: Final answer
    x = 19,762.75

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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.