Home / 12,898.26-19,346.28-9,134.48

Finding the Fourth Proportional to 12,898.26, 19,346.28 and 9,134.48

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Solution

The fourth proportional to 12,898.26, 19,346.28 and 9,134.48 is: 13,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,898.26 : 19,346.28 = 9,134.48 : x
  2. Step 2: Convert to fraction form
    12,898.26/19,346.28 = 9,134.48/x
  3. Step 3: Cross multiply
    12,898.26x = 19,346.28 × 9,134.48
  4. Step 4: Simplify right side
    12,898.26x = 176,718,111.00
  5. Step 5: Solve for x
    x = 176,718,111.00/12,898.26
  6. Step 6: Final answer
    x = 13,700.93

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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.