Home / 19,947.79-27,526.87-10,994.59

Finding the Fourth Proportional to 19,947.79, 27,526.87 and 10,994.59

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Solution

The fourth proportional to 19,947.79, 27,526.87 and 10,994.59 is: 15,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.79 : 27,526.87 = 10,994.59 : x
  2. Step 2: Convert to fraction form
    19,947.79/27,526.87 = 10,994.59/x
  3. Step 3: Cross multiply
    19,947.79x = 27,526.87 × 10,994.59
  4. Step 4: Simplify right side
    19,947.79x = 302,646,693.95
  5. Step 5: Solve for x
    x = 302,646,693.95/19,947.79
  6. Step 6: Final answer
    x = 15,171.94

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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.