Home / 23,618.16-35,470.98-18,719.28

Finding the Fourth Proportional to 23,618.16, 35,470.98 and 18,719.28

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Solution

The fourth proportional to 23,618.16, 35,470.98 and 18,719.28 is: 28,113.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,618.16 : 35,470.98 = 18,719.28 : x
  2. Step 2: Convert to fraction form
    23,618.16/35,470.98 = 18,719.28/x
  3. Step 3: Cross multiply
    23,618.16x = 35,470.98 × 18,719.28
  4. Step 4: Simplify right side
    23,618.16x = 663,991,206.49
  5. Step 5: Solve for x
    x = 663,991,206.49/23,618.16
  6. Step 6: Final answer
    x = 28,113.59

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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.