Home / 25,428.61-35,091.93-13,944.45

Finding the Fourth Proportional to 25,428.61, 35,091.93 and 13,944.45

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Solution

The fourth proportional to 25,428.61, 35,091.93 and 13,944.45 is: 19,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,428.61 : 35,091.93 = 13,944.45 : x
  2. Step 2: Convert to fraction form
    25,428.61/35,091.93 = 13,944.45/x
  3. Step 3: Cross multiply
    25,428.61x = 35,091.93 × 13,944.45
  4. Step 4: Simplify right side
    25,428.61x = 489,337,847.17
  5. Step 5: Solve for x
    x = 489,337,847.17/25,428.61
  6. Step 6: Final answer
    x = 19,243.60

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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.