Home / 19,913.42-29,875.32-7,433.55

Finding the Fourth Proportional to 19,913.42, 29,875.32 and 7,433.55

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Solution

The fourth proportional to 19,913.42, 29,875.32 and 7,433.55 is: 11,152.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.42 : 29,875.32 = 7,433.55 : x
  2. Step 2: Convert to fraction form
    19,913.42/29,875.32 = 7,433.55/x
  3. Step 3: Cross multiply
    19,913.42x = 29,875.32 × 7,433.55
  4. Step 4: Simplify right side
    19,913.42x = 222,079,684.99
  5. Step 5: Solve for x
    x = 222,079,684.99/19,913.42
  6. Step 6: Final answer
    x = 11,152.27

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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.