Home / 25,718.81-35,504.09-19,347.82

Finding the Fourth Proportional to 25,718.81, 35,504.09 and 19,347.82

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Solution

The fourth proportional to 25,718.81, 35,504.09 and 19,347.82 is: 26,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.81 : 35,504.09 = 19,347.82 : x
  2. Step 2: Convert to fraction form
    25,718.81/35,504.09 = 19,347.82/x
  3. Step 3: Cross multiply
    25,718.81x = 35,504.09 × 19,347.82
  4. Step 4: Simplify right side
    25,718.81x = 686,926,815.48
  5. Step 5: Solve for x
    x = 686,926,815.48/25,718.81
  6. Step 6: Final answer
    x = 26,709.12

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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.