Home / 20,717.15-31,075.29-5,925.96

Finding the Fourth Proportional to 20,717.15, 31,075.29 and 5,925.96

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Solution

The fourth proportional to 20,717.15, 31,075.29 and 5,925.96 is: 8,888.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,717.15 : 31,075.29 = 5,925.96 : x
  2. Step 2: Convert to fraction form
    20,717.15/31,075.29 = 5,925.96/x
  3. Step 3: Cross multiply
    20,717.15x = 31,075.29 × 5,925.96
  4. Step 4: Simplify right side
    20,717.15x = 184,150,925.53
  5. Step 5: Solve for x
    x = 184,150,925.53/20,717.15
  6. Step 6: Final answer
    x = 8,888.82

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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.