Home / 25,085.91-34,618.95-13,756.44

Finding the Fourth Proportional to 25,085.91, 34,618.95 and 13,756.44

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Solution

The fourth proportional to 25,085.91, 34,618.95 and 13,756.44 is: 18,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.91 : 34,618.95 = 13,756.44 : x
  2. Step 2: Convert to fraction form
    25,085.91/34,618.95 = 13,756.44/x
  3. Step 3: Cross multiply
    25,085.91x = 34,618.95 × 13,756.44
  4. Step 4: Simplify right side
    25,085.91x = 476,233,439.76
  5. Step 5: Solve for x
    x = 476,233,439.76/25,085.91
  6. Step 6: Final answer
    x = 18,984.10

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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.