Home / 15,227.02-21,019.77-9,260.59

Finding the Fourth Proportional to 15,227.02, 21,019.77 and 9,260.59

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Solution

The fourth proportional to 15,227.02, 21,019.77 and 9,260.59 is: 12,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227.02 : 21,019.77 = 9,260.59 : x
  2. Step 2: Convert to fraction form
    15,227.02/21,019.77 = 9,260.59/x
  3. Step 3: Cross multiply
    15,227.02x = 21,019.77 × 9,260.59
  4. Step 4: Simplify right side
    15,227.02x = 194,655,471.86
  5. Step 5: Solve for x
    x = 194,655,471.86/15,227.02
  6. Step 6: Final answer
    x = 12,783.56

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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.