Home / 25,221.93-37,831.52-7,690.38

Finding the Fourth Proportional to 25,221.93, 37,831.52 and 7,690.38

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Solution

The fourth proportional to 25,221.93, 37,831.52 and 7,690.38 is: 11,535.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.93 : 37,831.52 = 7,690.38 : x
  2. Step 2: Convert to fraction form
    25,221.93/37,831.52 = 7,690.38/x
  3. Step 3: Cross multiply
    25,221.93x = 37,831.52 × 7,690.38
  4. Step 4: Simplify right side
    25,221.93x = 290,938,537.17
  5. Step 5: Solve for x
    x = 290,938,537.17/25,221.93
  6. Step 6: Final answer
    x = 11,535.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.