Home / 19,812.06-29,543.48-19,634.40

Finding the Fourth Proportional to 19,812.06, 29,543.48 and 19,634.40

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Solution

The fourth proportional to 19,812.06, 29,543.48 and 19,634.40 is: 29,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.06 : 29,543.48 = 19,634.40 : x
  2. Step 2: Convert to fraction form
    19,812.06/29,543.48 = 19,634.40/x
  3. Step 3: Cross multiply
    19,812.06x = 29,543.48 × 19,634.40
  4. Step 4: Simplify right side
    19,812.06x = 580,068,503.71
  5. Step 5: Solve for x
    x = 580,068,503.71/19,812.06
  6. Step 6: Final answer
    x = 29,278.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.