Home / 19,543.43-29,315.15-4,752.25

Finding the Fourth Proportional to 19,543.43, 29,315.15 and 4,752.25

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Solution

The fourth proportional to 19,543.43, 29,315.15 and 4,752.25 is: 7,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.43 : 29,315.15 = 4,752.25 : x
  2. Step 2: Convert to fraction form
    19,543.43/29,315.15 = 4,752.25/x
  3. Step 3: Cross multiply
    19,543.43x = 29,315.15 × 4,752.25
  4. Step 4: Simplify right side
    19,543.43x = 139,312,921.59
  5. Step 5: Solve for x
    x = 139,312,921.59/19,543.43
  6. Step 6: Final answer
    x = 7,128.38

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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.