Home / 25,385.84-38,211.12-22,970.96

Finding the Fourth Proportional to 25,385.84, 38,211.12 and 22,970.96

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Solution

The fourth proportional to 25,385.84, 38,211.12 and 22,970.96 is: 34,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,385.84 : 38,211.12 = 22,970.96 : x
  2. Step 2: Convert to fraction form
    25,385.84/38,211.12 = 22,970.96/x
  3. Step 3: Cross multiply
    25,385.84x = 38,211.12 × 22,970.96
  4. Step 4: Simplify right side
    25,385.84x = 877,746,109.08
  5. Step 5: Solve for x
    x = 877,746,109.08/25,385.84
  6. Step 6: Final answer
    x = 34,576.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.