Home / 19,223.90-28,839.90-6,077.60

Finding the Fourth Proportional to 19,223.90, 28,839.90 and 6,077.60

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Solution

The fourth proportional to 19,223.90, 28,839.90 and 6,077.60 is: 9,117.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.90 : 28,839.90 = 6,077.60 : x
  2. Step 2: Convert to fraction form
    19,223.90/28,839.90 = 6,077.60/x
  3. Step 3: Cross multiply
    19,223.90x = 28,839.90 × 6,077.60
  4. Step 4: Simplify right side
    19,223.90x = 175,277,376.24
  5. Step 5: Solve for x
    x = 175,277,376.24/19,223.90
  6. Step 6: Final answer
    x = 9,117.68

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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.