Home / 25,208.01-34,785.70-13,875.30

Finding the Fourth Proportional to 25,208.01, 34,785.70 and 13,875.30

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Solution

The fourth proportional to 25,208.01, 34,785.70 and 13,875.30 is: 19,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,208.01 : 34,785.70 = 13,875.30 : x
  2. Step 2: Convert to fraction form
    25,208.01/34,785.70 = 13,875.30/x
  3. Step 3: Cross multiply
    25,208.01x = 34,785.70 × 13,875.30
  4. Step 4: Simplify right side
    25,208.01x = 482,661,988.52
  5. Step 5: Solve for x
    x = 482,661,988.52/25,208.01
  6. Step 6: Final answer
    x = 19,147.17

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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.