Home / 20,718.65-31,077.54-5,927.46

Finding the Fourth Proportional to 20,718.65, 31,077.54 and 5,927.46

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Solution

The fourth proportional to 20,718.65, 31,077.54 and 5,927.46 is: 8,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,718.65 : 31,077.54 = 5,927.46 : x
  2. Step 2: Convert to fraction form
    20,718.65/31,077.54 = 5,927.46/x
  3. Step 3: Cross multiply
    20,718.65x = 31,077.54 × 5,927.46
  4. Step 4: Simplify right side
    20,718.65x = 184,210,875.25
  5. Step 5: Solve for x
    x = 184,210,875.25/20,718.65
  6. Step 6: Final answer
    x = 8,891.07

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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.