Home / 25,680.04-38,455.80-16,291.60

Finding the Fourth Proportional to 25,680.04, 38,455.80 and 16,291.60

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Solution

The fourth proportional to 25,680.04, 38,455.80 and 16,291.60 is: 24,396.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680.04 : 38,455.80 = 16,291.60 : x
  2. Step 2: Convert to fraction form
    25,680.04/38,455.80 = 16,291.60/x
  3. Step 3: Cross multiply
    25,680.04x = 38,455.80 × 16,291.60
  4. Step 4: Simplify right side
    25,680.04x = 626,506,511.28
  5. Step 5: Solve for x
    x = 626,506,511.28/25,680.04
  6. Step 6: Final answer
    x = 24,396.63

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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.