Home / 25,263.77-34,863.51-13,778.81

Finding the Fourth Proportional to 25,263.77, 34,863.51 and 13,778.81

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Solution

The fourth proportional to 25,263.77, 34,863.51 and 13,778.81 is: 19,014.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,263.77 : 34,863.51 = 13,778.81 : x
  2. Step 2: Convert to fraction form
    25,263.77/34,863.51 = 13,778.81/x
  3. Step 3: Cross multiply
    25,263.77x = 34,863.51 × 13,778.81
  4. Step 4: Simplify right side
    25,263.77x = 480,377,688.31
  5. Step 5: Solve for x
    x = 480,377,688.31/25,263.77
  6. Step 6: Final answer
    x = 19,014.49

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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.