Home / 18,435.06-25,440.80-10,883.24

Finding the Fourth Proportional to 18,435.06, 25,440.80 and 10,883.24

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Solution

The fourth proportional to 18,435.06, 25,440.80 and 10,883.24 is: 15,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.06 : 25,440.80 = 10,883.24 : x
  2. Step 2: Convert to fraction form
    18,435.06/25,440.80 = 10,883.24/x
  3. Step 3: Cross multiply
    18,435.06x = 25,440.80 × 10,883.24
  4. Step 4: Simplify right side
    18,435.06x = 276,878,332.19
  5. Step 5: Solve for x
    x = 276,878,332.19/18,435.06
  6. Step 6: Final answer
    x = 15,019.12

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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.