Home / 19,543.71-29,315.57-4,752.53

Finding the Fourth Proportional to 19,543.71, 29,315.57 and 4,752.53

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Solution

The fourth proportional to 19,543.71, 29,315.57 and 4,752.53 is: 7,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.71 : 29,315.57 = 4,752.53 : x
  2. Step 2: Convert to fraction form
    19,543.71/29,315.57 = 4,752.53/x
  3. Step 3: Cross multiply
    19,543.71x = 29,315.57 × 4,752.53
  4. Step 4: Simplify right side
    19,543.71x = 139,323,125.89
  5. Step 5: Solve for x
    x = 139,323,125.89/19,543.71
  6. Step 6: Final answer
    x = 7,128.80

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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.