Home / 19,724.42-29,595.84-8,629.67

Finding the Fourth Proportional to 19,724.42, 29,595.84 and 8,629.67

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Solution

The fourth proportional to 19,724.42, 29,595.84 and 8,629.67 is: 12,948.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,724.42 : 29,595.84 = 8,629.67 : x
  2. Step 2: Convert to fraction form
    19,724.42/29,595.84 = 8,629.67/x
  3. Step 3: Cross multiply
    19,724.42x = 29,595.84 × 8,629.67
  4. Step 4: Simplify right side
    19,724.42x = 255,402,184.59
  5. Step 5: Solve for x
    x = 255,402,184.59/19,724.42
  6. Step 6: Final answer
    x = 12,948.53

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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.