Home / 25,186.06-37,929.03-21,938.38

Finding the Fourth Proportional to 25,186.06, 37,929.03 and 21,938.38

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Solution

The fourth proportional to 25,186.06, 37,929.03 and 21,938.38 is: 33,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.06 : 37,929.03 = 21,938.38 : x
  2. Step 2: Convert to fraction form
    25,186.06/37,929.03 = 21,938.38/x
  3. Step 3: Cross multiply
    25,186.06x = 37,929.03 × 21,938.38
  4. Step 4: Simplify right side
    25,186.06x = 832,101,473.17
  5. Step 5: Solve for x
    x = 832,101,473.17/25,186.06
  6. Step 6: Final answer
    x = 33,038.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.