Home / 25,681.23-35,429.52-15,608.07

Finding the Fourth Proportional to 25,681.23, 35,429.52 and 15,608.07

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Solution

The fourth proportional to 25,681.23, 35,429.52 and 15,608.07 is: 21,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,681.23 : 35,429.52 = 15,608.07 : x
  2. Step 2: Convert to fraction form
    25,681.23/35,429.52 = 15,608.07/x
  3. Step 3: Cross multiply
    25,681.23x = 35,429.52 × 15,608.07
  4. Step 4: Simplify right side
    25,681.23x = 552,986,428.23
  5. Step 5: Solve for x
    x = 552,986,428.23/25,681.23
  6. Step 6: Final answer
    x = 21,532.71

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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.