Home / 28,543.51-39,363.73-19,575.19

Finding the Fourth Proportional to 28,543.51, 39,363.73 and 19,575.19

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Solution

The fourth proportional to 28,543.51, 39,363.73 and 19,575.19 is: 26,995.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.51 : 39,363.73 = 19,575.19 : x
  2. Step 2: Convert to fraction form
    28,543.51/39,363.73 = 19,575.19/x
  3. Step 3: Cross multiply
    28,543.51x = 39,363.73 × 19,575.19
  4. Step 4: Simplify right side
    28,543.51x = 770,552,493.86
  5. Step 5: Solve for x
    x = 770,552,493.86/28,543.51
  6. Step 6: Final answer
    x = 26,995.72

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.