Home / 19,966.93-27,555.57-11,014.40

Finding the Fourth Proportional to 19,966.93, 27,555.57 and 11,014.40

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Solution

The fourth proportional to 19,966.93, 27,555.57 and 11,014.40 is: 15,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.93 : 27,555.57 = 11,014.40 : x
  2. Step 2: Convert to fraction form
    19,966.93/27,555.57 = 11,014.40/x
  3. Step 3: Cross multiply
    19,966.93x = 27,555.57 × 11,014.40
  4. Step 4: Simplify right side
    19,966.93x = 303,508,139.10
  5. Step 5: Solve for x
    x = 303,508,139.10/19,966.93
  6. Step 6: Final answer
    x = 15,200.54

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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.