Home / 20,679.65-31,026.74-7,533.35

Finding the Fourth Proportional to 20,679.65, 31,026.74 and 7,533.35

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Solution

The fourth proportional to 20,679.65, 31,026.74 and 7,533.35 is: 11,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,679.65 : 31,026.74 = 7,533.35 : x
  2. Step 2: Convert to fraction form
    20,679.65/31,026.74 = 7,533.35/x
  3. Step 3: Cross multiply
    20,679.65x = 31,026.74 × 7,533.35
  4. Step 4: Simplify right side
    20,679.65x = 233,735,098.98
  5. Step 5: Solve for x
    x = 233,735,098.98/20,679.65
  6. Step 6: Final answer
    x = 11,302.66

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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.