Home / 13,767.06-19,003.02-8,101.50

Finding the Fourth Proportional to 13,767.06, 19,003.02 and 8,101.50

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Solution

The fourth proportional to 13,767.06, 19,003.02 and 8,101.50 is: 11,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.06 : 19,003.02 = 8,101.50 : x
  2. Step 2: Convert to fraction form
    13,767.06/19,003.02 = 8,101.50/x
  3. Step 3: Cross multiply
    13,767.06x = 19,003.02 × 8,101.50
  4. Step 4: Simplify right side
    13,767.06x = 153,952,966.53
  5. Step 5: Solve for x
    x = 153,952,966.53/13,767.06
  6. Step 6: Final answer
    x = 11,182.70

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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.