Home / 19,260.26-28,870.56-9,387.32

Finding the Fourth Proportional to 19,260.26, 28,870.56 and 9,387.32

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Solution

The fourth proportional to 19,260.26, 28,870.56 and 9,387.32 is: 14,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.26 : 28,870.56 = 9,387.32 : x
  2. Step 2: Convert to fraction form
    19,260.26/28,870.56 = 9,387.32/x
  3. Step 3: Cross multiply
    19,260.26x = 28,870.56 × 9,387.32
  4. Step 4: Simplify right side
    19,260.26x = 271,017,185.30
  5. Step 5: Solve for x
    x = 271,017,185.30/19,260.26
  6. Step 6: Final answer
    x = 14,071.32

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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.