Home / 25,953.42-35,815.78-15,053.66

Finding the Fourth Proportional to 25,953.42, 35,815.78 and 15,053.66

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Solution

The fourth proportional to 25,953.42, 35,815.78 and 15,053.66 is: 20,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.42 : 35,815.78 = 15,053.66 : x
  2. Step 2: Convert to fraction form
    25,953.42/35,815.78 = 15,053.66/x
  3. Step 3: Cross multiply
    25,953.42x = 35,815.78 × 15,053.66
  4. Step 4: Simplify right side
    25,953.42x = 539,158,574.75
  5. Step 5: Solve for x
    x = 539,158,574.75/25,953.42
  6. Step 6: Final answer
    x = 20,774.09

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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.