Home / 25,191.87-34,765.65-14,438.45

Finding the Fourth Proportional to 25,191.87, 34,765.65 and 14,438.45

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Solution

The fourth proportional to 25,191.87, 34,765.65 and 14,438.45 is: 19,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191.87 : 34,765.65 = 14,438.45 : x
  2. Step 2: Convert to fraction form
    25,191.87/34,765.65 = 14,438.45/x
  3. Step 3: Cross multiply
    25,191.87x = 34,765.65 × 14,438.45
  4. Step 4: Simplify right side
    25,191.87x = 501,961,925.41
  5. Step 5: Solve for x
    x = 501,961,925.41/25,191.87
  6. Step 6: Final answer
    x = 19,925.55

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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.