Home / 19,835.71-29,753.66-6,688.19

Finding the Fourth Proportional to 19,835.71, 29,753.66 and 6,688.19

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Solution

The fourth proportional to 19,835.71, 29,753.66 and 6,688.19 is: 10,032.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,835.71 : 29,753.66 = 6,688.19 : x
  2. Step 2: Convert to fraction form
    19,835.71/29,753.66 = 6,688.19/x
  3. Step 3: Cross multiply
    19,835.71x = 29,753.66 × 6,688.19
  4. Step 4: Simplify right side
    19,835.71x = 198,998,172.22
  5. Step 5: Solve for x
    x = 198,998,172.22/19,835.71
  6. Step 6: Final answer
    x = 10,032.32

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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.