Home / 13,581.84-18,754.02-11,064.36

Finding the Fourth Proportional to 13,581.84, 18,754.02 and 11,064.36

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Solution

The fourth proportional to 13,581.84, 18,754.02 and 11,064.36 is: 15,277.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.84 : 18,754.02 = 11,064.36 : x
  2. Step 2: Convert to fraction form
    13,581.84/18,754.02 = 11,064.36/x
  3. Step 3: Cross multiply
    13,581.84x = 18,754.02 × 11,064.36
  4. Step 4: Simplify right side
    13,581.84x = 207,501,228.73
  5. Step 5: Solve for x
    x = 207,501,228.73/13,581.84
  6. Step 6: Final answer
    x = 15,277.84

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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.