Home / 18,312.29-25,267.83-10,354.34

Finding the Fourth Proportional to 18,312.29, 25,267.83 and 10,354.34

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Solution

The fourth proportional to 18,312.29, 25,267.83 and 10,354.34 is: 14,287.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,312.29 : 25,267.83 = 10,354.34 : x
  2. Step 2: Convert to fraction form
    18,312.29/25,267.83 = 10,354.34/x
  3. Step 3: Cross multiply
    18,312.29x = 25,267.83 × 10,354.34
  4. Step 4: Simplify right side
    18,312.29x = 261,631,702.88
  5. Step 5: Solve for x
    x = 261,631,702.88/18,312.29
  6. Step 6: Final answer
    x = 14,287.22

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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.