Home / 19,947.74-27,528.46-10,995.35

Finding the Fourth Proportional to 19,947.74, 27,528.46 and 10,995.35

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Solution

The fourth proportional to 19,947.74, 27,528.46 and 10,995.35 is: 15,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.74 : 27,528.46 = 10,995.35 : x
  2. Step 2: Convert to fraction form
    19,947.74/27,528.46 = 10,995.35/x
  3. Step 3: Cross multiply
    19,947.74x = 27,528.46 × 10,995.35
  4. Step 4: Simplify right side
    19,947.74x = 302,684,887.53
  5. Step 5: Solve for x
    x = 302,684,887.53/19,947.74
  6. Step 6: Final answer
    x = 15,173.90

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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.