Home / 19,937.04-29,928.60-12,051.60

Finding the Fourth Proportional to 19,937.04, 29,928.60 and 12,051.60

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Solution

The fourth proportional to 19,937.04, 29,928.60 and 12,051.60 is: 18,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,937.04 : 29,928.60 = 12,051.60 : x
  2. Step 2: Convert to fraction form
    19,937.04/29,928.60 = 12,051.60/x
  3. Step 3: Cross multiply
    19,937.04x = 29,928.60 × 12,051.60
  4. Step 4: Simplify right side
    19,937.04x = 360,687,515.76
  5. Step 5: Solve for x
    x = 360,687,515.76/19,937.04
  6. Step 6: Final answer
    x = 18,091.33

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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.