Home / 19,543.80-29,315.76-4,752.76

Finding the Fourth Proportional to 19,543.80, 29,315.76 and 4,752.76

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Solution

The fourth proportional to 19,543.80, 29,315.76 and 4,752.76 is: 7,129.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.80 : 29,315.76 = 4,752.76 : x
  2. Step 2: Convert to fraction form
    19,543.80/29,315.76 = 4,752.76/x
  3. Step 3: Cross multiply
    19,543.80x = 29,315.76 × 4,752.76
  4. Step 4: Simplify right side
    19,543.80x = 139,330,771.50
  5. Step 5: Solve for x
    x = 139,330,771.50/19,543.80
  6. Step 6: Final answer
    x = 7,129.15

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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.