Home / 19,277.10-28,915.65-6,130.80

Finding the Fourth Proportional to 19,277.10, 28,915.65 and 6,130.80

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Solution

The fourth proportional to 19,277.10, 28,915.65 and 6,130.80 is: 9,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.10 : 28,915.65 = 6,130.80 : x
  2. Step 2: Convert to fraction form
    19,277.10/28,915.65 = 6,130.80/x
  3. Step 3: Cross multiply
    19,277.10x = 28,915.65 × 6,130.80
  4. Step 4: Simplify right side
    19,277.10x = 177,276,067.02
  5. Step 5: Solve for x
    x = 177,276,067.02/19,277.10
  6. Step 6: Final answer
    x = 9,196.20

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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.