Home / 25,085.21-34,640.95-16,148.20

Finding the Fourth Proportional to 25,085.21, 34,640.95 and 16,148.20

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Solution

The fourth proportional to 25,085.21, 34,640.95 and 16,148.20 is: 22,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.21 : 34,640.95 = 16,148.20 : x
  2. Step 2: Convert to fraction form
    25,085.21/34,640.95 = 16,148.20/x
  3. Step 3: Cross multiply
    25,085.21x = 34,640.95 × 16,148.20
  4. Step 4: Simplify right side
    25,085.21x = 559,388,988.79
  5. Step 5: Solve for x
    x = 559,388,988.79/25,085.21
  6. Step 6: Final answer
    x = 22,299.55

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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.