Home / 25,133.76-34,684.32-13,955.84

Finding the Fourth Proportional to 25,133.76, 34,684.32 and 13,955.84

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Solution

The fourth proportional to 25,133.76, 34,684.32 and 13,955.84 is: 19,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,133.76 : 34,684.32 = 13,955.84 : x
  2. Step 2: Convert to fraction form
    25,133.76/34,684.32 = 13,955.84/x
  3. Step 3: Cross multiply
    25,133.76x = 34,684.32 × 13,955.84
  4. Step 4: Simplify right side
    25,133.76x = 484,048,820.43
  5. Step 5: Solve for x
    x = 484,048,820.43/25,133.76
  6. Step 6: Final answer
    x = 19,258.91

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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.