Home / 13,801.76-19,057.68-9,095.20

Finding the Fourth Proportional to 13,801.76, 19,057.68 and 9,095.20

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Solution

The fourth proportional to 13,801.76, 19,057.68 and 9,095.20 is: 12,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801.76 : 19,057.68 = 9,095.20 : x
  2. Step 2: Convert to fraction form
    13,801.76/19,057.68 = 9,095.20/x
  3. Step 3: Cross multiply
    13,801.76x = 19,057.68 × 9,095.20
  4. Step 4: Simplify right side
    13,801.76x = 173,333,411.14
  5. Step 5: Solve for x
    x = 173,333,411.14/13,801.76
  6. Step 6: Final answer
    x = 12,558.79

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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.