Home / 25,261.56-34,864.92-19,871.76

Finding the Fourth Proportional to 25,261.56, 34,864.92 and 19,871.76

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Solution

The fourth proportional to 25,261.56, 34,864.92 and 19,871.76 is: 27,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,261.56 : 34,864.92 = 19,871.76 : x
  2. Step 2: Convert to fraction form
    25,261.56/34,864.92 = 19,871.76/x
  3. Step 3: Cross multiply
    25,261.56x = 34,864.92 × 19,871.76
  4. Step 4: Simplify right side
    25,261.56x = 692,827,322.66
  5. Step 5: Solve for x
    x = 692,827,322.66/25,261.56
  6. Step 6: Final answer
    x = 27,426.15

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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.