Home / 25,454.81-35,134.32-14,280.41

Finding the Fourth Proportional to 25,454.81, 35,134.32 and 14,280.41

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Solution

The fourth proportional to 25,454.81, 35,134.32 and 14,280.41 is: 19,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.81 : 35,134.32 = 14,280.41 : x
  2. Step 2: Convert to fraction form
    25,454.81/35,134.32 = 14,280.41/x
  3. Step 3: Cross multiply
    25,454.81x = 35,134.32 × 14,280.41
  4. Step 4: Simplify right side
    25,454.81x = 501,732,319.00
  5. Step 5: Solve for x
    x = 501,732,319.00/25,454.81
  6. Step 6: Final answer
    x = 19,710.71

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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.