Home / 25,813.13-38,730.59-14,112.68

Finding the Fourth Proportional to 25,813.13, 38,730.59 and 14,112.68

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Solution

The fourth proportional to 25,813.13, 38,730.59 and 14,112.68 is: 21,174.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,813.13 : 38,730.59 = 14,112.68 : x
  2. Step 2: Convert to fraction form
    25,813.13/38,730.59 = 14,112.68/x
  3. Step 3: Cross multiply
    25,813.13x = 38,730.59 × 14,112.68
  4. Step 4: Simplify right side
    25,813.13x = 546,592,422.88
  5. Step 5: Solve for x
    x = 546,592,422.88/25,813.13
  6. Step 6: Final answer
    x = 21,174.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.