Home / 25,281.68-34,881.72-16,329.56

Finding the Fourth Proportional to 25,281.68, 34,881.72 and 16,329.56

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Solution

The fourth proportional to 25,281.68, 34,881.72 and 16,329.56 is: 22,530.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,281.68 : 34,881.72 = 16,329.56 : x
  2. Step 2: Convert to fraction form
    25,281.68/34,881.72 = 16,329.56/x
  3. Step 3: Cross multiply
    25,281.68x = 34,881.72 × 16,329.56
  4. Step 4: Simplify right side
    25,281.68x = 569,603,139.64
  5. Step 5: Solve for x
    x = 569,603,139.64/25,281.68
  6. Step 6: Final answer
    x = 22,530.27

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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.