Home / 19,937.54-29,878.10-11,056.77

Finding the Fourth Proportional to 19,937.54, 29,878.10 and 11,056.77

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Solution

The fourth proportional to 19,937.54, 29,878.10 and 11,056.77 is: 16,569.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.54 : 29,878.10 = 11,056.77 : x
  2. Step 2: Convert to fraction form
    19,937.54/29,878.10 = 11,056.77/x
  3. Step 3: Cross multiply
    19,937.54x = 29,878.10 × 11,056.77
  4. Step 4: Simplify right side
    19,937.54x = 330,355,265.92
  5. Step 5: Solve for x
    x = 330,355,265.92/19,937.54
  6. Step 6: Final answer
    x = 16,569.51

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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.