Home / 25,515.15-35,210.71-14,185.68

Finding the Fourth Proportional to 25,515.15, 35,210.71 and 14,185.68

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Solution

The fourth proportional to 25,515.15, 35,210.71 and 14,185.68 is: 19,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,515.15 : 35,210.71 = 14,185.68 : x
  2. Step 2: Convert to fraction form
    25,515.15/35,210.71 = 14,185.68/x
  3. Step 3: Cross multiply
    25,515.15x = 35,210.71 × 14,185.68
  4. Step 4: Simplify right side
    25,515.15x = 499,487,864.63
  5. Step 5: Solve for x
    x = 499,487,864.63/25,515.15
  6. Step 6: Final answer
    x = 19,576.13

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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.