Home / 25,211.17-34,790.88-13,880.08

Finding the Fourth Proportional to 25,211.17, 34,790.88 and 13,880.08

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Solution

The fourth proportional to 25,211.17, 34,790.88 and 13,880.08 is: 19,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.17 : 34,790.88 = 13,880.08 : x
  2. Step 2: Convert to fraction form
    25,211.17/34,790.88 = 13,880.08/x
  3. Step 3: Cross multiply
    25,211.17x = 34,790.88 × 13,880.08
  4. Step 4: Simplify right side
    25,211.17x = 482,900,197.67
  5. Step 5: Solve for x
    x = 482,900,197.67/25,211.17
  6. Step 6: Final answer
    x = 19,154.22

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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.