Home / 23,141.16-31,967.46-18,419.40

Finding the Fourth Proportional to 23,141.16, 31,967.46 and 18,419.40

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Solution

The fourth proportional to 23,141.16, 31,967.46 and 18,419.40 is: 25,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,141.16 : 31,967.46 = 18,419.40 : x
  2. Step 2: Convert to fraction form
    23,141.16/31,967.46 = 18,419.40/x
  3. Step 3: Cross multiply
    23,141.16x = 31,967.46 × 18,419.40
  4. Step 4: Simplify right side
    23,141.16x = 588,821,432.72
  5. Step 5: Solve for x
    x = 588,821,432.72/23,141.16
  6. Step 6: Final answer
    x = 25,444.77

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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.