Home / 15,415.59-23,123.25-4,885.59

Finding the Fourth Proportional to 15,415.59, 23,123.25 and 4,885.59

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Solution

The fourth proportional to 15,415.59, 23,123.25 and 4,885.59 is: 7,328.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.59 : 23,123.25 = 4,885.59 : x
  2. Step 2: Convert to fraction form
    15,415.59/23,123.25 = 4,885.59/x
  3. Step 3: Cross multiply
    15,415.59x = 23,123.25 × 4,885.59
  4. Step 4: Simplify right side
    15,415.59x = 112,970,718.97
  5. Step 5: Solve for x
    x = 112,970,718.97/15,415.59
  6. Step 6: Final answer
    x = 7,328.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.