Home / 25,455.81-35,135.69-14,281.41

Finding the Fourth Proportional to 25,455.81, 35,135.69 and 14,281.41

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Solution

The fourth proportional to 25,455.81, 35,135.69 and 14,281.41 is: 19,712.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.81 : 35,135.69 = 14,281.41 : x
  2. Step 2: Convert to fraction form
    25,455.81/35,135.69 = 14,281.41/x
  3. Step 3: Cross multiply
    25,455.81x = 35,135.69 × 14,281.41
  4. Step 4: Simplify right side
    25,455.81x = 501,787,194.52
  5. Step 5: Solve for x
    x = 501,787,194.52/25,455.81
  6. Step 6: Final answer
    x = 19,712.09

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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.