Home / 25,641.23-35,388.09-15,569.01

Finding the Fourth Proportional to 25,641.23, 35,388.09 and 15,569.01

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Solution

The fourth proportional to 25,641.23, 35,388.09 and 15,569.01 is: 21,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,641.23 : 35,388.09 = 15,569.01 : x
  2. Step 2: Convert to fraction form
    25,641.23/35,388.09 = 15,569.01/x
  3. Step 3: Cross multiply
    25,641.23x = 35,388.09 × 15,569.01
  4. Step 4: Simplify right side
    25,641.23x = 550,957,527.09
  5. Step 5: Solve for x
    x = 550,957,527.09/25,641.23
  6. Step 6: Final answer
    x = 21,487.18

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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.