Home / 25,356.39-38,040.05-7,588.45

Finding the Fourth Proportional to 25,356.39, 38,040.05 and 7,588.45

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Solution

The fourth proportional to 25,356.39, 38,040.05 and 7,588.45 is: 11,384.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.39 : 38,040.05 = 7,588.45 : x
  2. Step 2: Convert to fraction form
    25,356.39/38,040.05 = 7,588.45/x
  3. Step 3: Cross multiply
    25,356.39x = 38,040.05 × 7,588.45
  4. Step 4: Simplify right side
    25,356.39x = 288,665,017.42
  5. Step 5: Solve for x
    x = 288,665,017.42/25,356.39
  6. Step 6: Final answer
    x = 11,384.31

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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.