Home / 25,123.16-34,670.19-14,512.55

Finding the Fourth Proportional to 25,123.16, 34,670.19 and 14,512.55

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Solution

The fourth proportional to 25,123.16, 34,670.19 and 14,512.55 is: 20,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.16 : 34,670.19 = 14,512.55 : x
  2. Step 2: Convert to fraction form
    25,123.16/34,670.19 = 14,512.55/x
  3. Step 3: Cross multiply
    25,123.16x = 34,670.19 × 14,512.55
  4. Step 4: Simplify right side
    25,123.16x = 503,152,865.88
  5. Step 5: Solve for x
    x = 503,152,865.88/25,123.16
  6. Step 6: Final answer
    x = 20,027.45

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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.