Home / 15,411.40-23,103.02-5,548.42

Finding the Fourth Proportional to 15,411.40, 23,103.02 and 5,548.42

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Solution

The fourth proportional to 15,411.40, 23,103.02 and 5,548.42 is: 8,317.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,411.40 : 23,103.02 = 5,548.42 : x
  2. Step 2: Convert to fraction form
    15,411.40/23,103.02 = 5,548.42/x
  3. Step 3: Cross multiply
    15,411.40x = 23,103.02 × 5,548.42
  4. Step 4: Simplify right side
    15,411.40x = 128,185,258.23
  5. Step 5: Solve for x
    x = 128,185,258.23/15,411.40
  6. Step 6: Final answer
    x = 8,317.56

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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.