Home / 25,206.73-34,785.01-13,875.98

Finding the Fourth Proportional to 25,206.73, 34,785.01 and 13,875.98

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Solution

The fourth proportional to 25,206.73, 34,785.01 and 13,875.98 is: 19,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,206.73 : 34,785.01 = 13,875.98 : x
  2. Step 2: Convert to fraction form
    25,206.73/34,785.01 = 13,875.98/x
  3. Step 3: Cross multiply
    25,206.73x = 34,785.01 × 13,875.98
  4. Step 4: Simplify right side
    25,206.73x = 482,676,103.06
  5. Step 5: Solve for x
    x = 482,676,103.06/25,206.73
  6. Step 6: Final answer
    x = 19,148.70

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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.