Home / 25,878.60-38,818.08-11,075.04

Finding the Fourth Proportional to 25,878.60, 38,818.08 and 11,075.04

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Solution

The fourth proportional to 25,878.60, 38,818.08 and 11,075.04 is: 16,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,878.60 : 38,818.08 = 11,075.04 : x
  2. Step 2: Convert to fraction form
    25,878.60/38,818.08 = 11,075.04/x
  3. Step 3: Cross multiply
    25,878.60x = 38,818.08 × 11,075.04
  4. Step 4: Simplify right side
    25,878.60x = 429,911,788.72
  5. Step 5: Solve for x
    x = 429,911,788.72/25,878.60
  6. Step 6: Final answer
    x = 16,612.64

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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.