Home / 25,420.41-38,130.43-7,651.00

Finding the Fourth Proportional to 25,420.41, 38,130.43 and 7,651.00

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Solution

The fourth proportional to 25,420.41, 38,130.43 and 7,651.00 is: 11,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.41 : 38,130.43 = 7,651.00 : x
  2. Step 2: Convert to fraction form
    25,420.41/38,130.43 = 7,651.00/x
  3. Step 3: Cross multiply
    25,420.41x = 38,130.43 × 7,651.00
  4. Step 4: Simplify right side
    25,420.41x = 291,735,805.48
  5. Step 5: Solve for x
    x = 291,735,805.48/25,420.41
  6. Step 6: Final answer
    x = 11,476.44

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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.