Home / 15,060.56-20,784.32-9,092.12

Finding the Fourth Proportional to 15,060.56, 20,784.32 and 9,092.12

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Solution

The fourth proportional to 15,060.56, 20,784.32 and 9,092.12 is: 12,547.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,060.56 : 20,784.32 = 9,092.12 : x
  2. Step 2: Convert to fraction form
    15,060.56/20,784.32 = 9,092.12/x
  3. Step 3: Cross multiply
    15,060.56x = 20,784.32 × 9,092.12
  4. Step 4: Simplify right side
    15,060.56x = 188,973,531.56
  5. Step 5: Solve for x
    x = 188,973,531.56/15,060.56
  6. Step 6: Final answer
    x = 12,547.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.