Home / 23,905.95-32,991.02-13,151.28

Finding the Fourth Proportional to 23,905.95, 32,991.02 and 13,151.28

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Solution

The fourth proportional to 23,905.95, 32,991.02 and 13,151.28 is: 18,149.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.95 : 32,991.02 = 13,151.28 : x
  2. Step 2: Convert to fraction form
    23,905.95/32,991.02 = 13,151.28/x
  3. Step 3: Cross multiply
    23,905.95x = 32,991.02 × 13,151.28
  4. Step 4: Simplify right side
    23,905.95x = 433,874,075.75
  5. Step 5: Solve for x
    x = 433,874,075.75/23,905.95
  6. Step 6: Final answer
    x = 18,149.21

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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.