Home / 12,937.96-19,319.23-10,275.58

Finding the Fourth Proportional to 12,937.96, 19,319.23 and 10,275.58

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Solution

The fourth proportional to 12,937.96, 19,319.23 and 10,275.58 is: 15,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937.96 : 19,319.23 = 10,275.58 : x
  2. Step 2: Convert to fraction form
    12,937.96/19,319.23 = 10,275.58/x
  3. Step 3: Cross multiply
    12,937.96x = 19,319.23 × 10,275.58
  4. Step 4: Simplify right side
    12,937.96x = 198,516,293.40
  5. Step 5: Solve for x
    x = 198,516,293.40/12,937.96
  6. Step 6: Final answer
    x = 15,343.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.