Home / 25,374.45-38,075.60-12,895.55

Finding the Fourth Proportional to 25,374.45, 38,075.60 and 12,895.55

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Solution

The fourth proportional to 25,374.45, 38,075.60 and 12,895.55 is: 19,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,374.45 : 38,075.60 = 12,895.55 : x
  2. Step 2: Convert to fraction form
    25,374.45/38,075.60 = 12,895.55/x
  3. Step 3: Cross multiply
    25,374.45x = 38,075.60 × 12,895.55
  4. Step 4: Simplify right side
    25,374.45x = 491,005,788.22
  5. Step 5: Solve for x
    x = 491,005,788.22/25,374.45
  6. Step 6: Final answer
    x = 19,350.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.