Home / 39,868.86-59,804.07-11,788.89

Finding the Fourth Proportional to 39,868.86, 59,804.07 and 11,788.89

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Solution

The fourth proportional to 39,868.86, 59,804.07 and 11,788.89 is: 17,683.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,868.86 : 59,804.07 = 11,788.89 : x
  2. Step 2: Convert to fraction form
    39,868.86/59,804.07 = 11,788.89/x
  3. Step 3: Cross multiply
    39,868.86x = 59,804.07 × 11,788.89
  4. Step 4: Simplify right side
    39,868.86x = 705,023,737.02
  5. Step 5: Solve for x
    x = 705,023,737.02/39,868.86
  6. Step 6: Final answer
    x = 17,683.57

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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.