Home / 26,913.65-37,140.57-14,976.78

Finding the Fourth Proportional to 26,913.65, 37,140.57 and 14,976.78

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Solution

The fourth proportional to 26,913.65, 37,140.57 and 14,976.78 is: 20,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.65 : 37,140.57 = 14,976.78 : x
  2. Step 2: Convert to fraction form
    26,913.65/37,140.57 = 14,976.78/x
  3. Step 3: Cross multiply
    26,913.65x = 37,140.57 × 14,976.78
  4. Step 4: Simplify right side
    26,913.65x = 556,246,071.08
  5. Step 5: Solve for x
    x = 556,246,071.08/26,913.65
  6. Step 6: Final answer
    x = 20,667.81

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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.