Home / 25,953.34-35,778.28-18,488.38

Finding the Fourth Proportional to 25,953.34, 35,778.28 and 18,488.38

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Solution

The fourth proportional to 25,953.34, 35,778.28 and 18,488.38 is: 25,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.34 : 35,778.28 = 18,488.38 : x
  2. Step 2: Convert to fraction form
    25,953.34/35,778.28 = 18,488.38/x
  3. Step 3: Cross multiply
    25,953.34x = 35,778.28 × 18,488.38
  4. Step 4: Simplify right side
    25,953.34x = 661,482,165.05
  5. Step 5: Solve for x
    x = 661,482,165.05/25,953.34
  6. Step 6: Final answer
    x = 25,487.37

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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.