Home / 25,915.11-38,670.47-23,122.58

Finding the Fourth Proportional to 25,915.11, 38,670.47 and 23,122.58

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Solution

The fourth proportional to 25,915.11, 38,670.47 and 23,122.58 is: 34,503.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,915.11 : 38,670.47 = 23,122.58 : x
  2. Step 2: Convert to fraction form
    25,915.11/38,670.47 = 23,122.58/x
  3. Step 3: Cross multiply
    25,915.11x = 38,670.47 × 23,122.58
  4. Step 4: Simplify right side
    25,915.11x = 894,160,813.96
  5. Step 5: Solve for x
    x = 894,160,813.96/25,915.11
  6. Step 6: Final answer
    x = 34,503.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.