Home / 25,378.80-35,021.96-14,048.76

Finding the Fourth Proportional to 25,378.80, 35,021.96 and 14,048.76

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Solution

The fourth proportional to 25,378.80, 35,021.96 and 14,048.76 is: 19,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.80 : 35,021.96 = 14,048.76 : x
  2. Step 2: Convert to fraction form
    25,378.80/35,021.96 = 14,048.76/x
  3. Step 3: Cross multiply
    25,378.80x = 35,021.96 × 14,048.76
  4. Step 4: Simplify right side
    25,378.80x = 492,015,110.77
  5. Step 5: Solve for x
    x = 492,015,110.77/25,378.80
  6. Step 6: Final answer
    x = 19,386.85

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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.