Home / 25,564.89-35,281.25-15,494.29

Finding the Fourth Proportional to 25,564.89, 35,281.25 and 15,494.29

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Solution

The fourth proportional to 25,564.89, 35,281.25 and 15,494.29 is: 21,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,564.89 : 35,281.25 = 15,494.29 : x
  2. Step 2: Convert to fraction form
    25,564.89/35,281.25 = 15,494.29/x
  3. Step 3: Cross multiply
    25,564.89x = 35,281.25 × 15,494.29
  4. Step 4: Simplify right side
    25,564.89x = 546,657,767.91
  5. Step 5: Solve for x
    x = 546,657,767.91/25,564.89
  6. Step 6: Final answer
    x = 21,383.14

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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.