Home / 34,322.51-47,365.18-19,215.81

Finding the Fourth Proportional to 34,322.51, 47,365.18 and 19,215.81

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Solution

The fourth proportional to 34,322.51, 47,365.18 and 19,215.81 is: 26,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,322.51 : 47,365.18 = 19,215.81 : x
  2. Step 2: Convert to fraction form
    34,322.51/47,365.18 = 19,215.81/x
  3. Step 3: Cross multiply
    34,322.51x = 47,365.18 × 19,215.81
  4. Step 4: Simplify right side
    34,322.51x = 910,160,251.46
  5. Step 5: Solve for x
    x = 910,160,251.46/34,322.51
  6. Step 6: Final answer
    x = 26,517.88

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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.