Home / 25,626.89-35,359.09-15,555.08

Finding the Fourth Proportional to 25,626.89, 35,359.09 and 15,555.08

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Solution

The fourth proportional to 25,626.89, 35,359.09 and 15,555.08 is: 21,462.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.89 : 35,359.09 = 15,555.08 : x
  2. Step 2: Convert to fraction form
    25,626.89/35,359.09 = 15,555.08/x
  3. Step 3: Cross multiply
    25,626.89x = 35,359.09 × 15,555.08
  4. Step 4: Simplify right side
    25,626.89x = 550,013,523.19
  5. Step 5: Solve for x
    x = 550,013,523.19/25,626.89
  6. Step 6: Final answer
    x = 21,462.36

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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.