Home / 18,963.02-26,168.75-10,465.20

Finding the Fourth Proportional to 18,963.02, 26,168.75 and 10,465.20

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Solution

The fourth proportional to 18,963.02, 26,168.75 and 10,465.20 is: 14,441.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.02 : 26,168.75 = 10,465.20 : x
  2. Step 2: Convert to fraction form
    18,963.02/26,168.75 = 10,465.20/x
  3. Step 3: Cross multiply
    18,963.02x = 26,168.75 × 10,465.20
  4. Step 4: Simplify right side
    18,963.02x = 273,861,202.50
  5. Step 5: Solve for x
    x = 273,861,202.50/18,963.02
  6. Step 6: Final answer
    x = 14,441.86

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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.