Home / 17,431.02-26,146.30-4,283.51

Finding the Fourth Proportional to 17,431.02, 26,146.30 and 4,283.51

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Solution

The fourth proportional to 17,431.02, 26,146.30 and 4,283.51 is: 6,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.02 : 26,146.30 = 4,283.51 : x
  2. Step 2: Convert to fraction form
    17,431.02/26,146.30 = 4,283.51/x
  3. Step 3: Cross multiply
    17,431.02x = 26,146.30 × 4,283.51
  4. Step 4: Simplify right side
    17,431.02x = 111,997,806.78
  5. Step 5: Solve for x
    x = 111,997,806.78/17,431.02
  6. Step 6: Final answer
    x = 6,425.20

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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.