Home / 15,967.85-22,036.09-8,798.22

Finding the Fourth Proportional to 15,967.85, 22,036.09 and 8,798.22

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Solution

The fourth proportional to 15,967.85, 22,036.09 and 8,798.22 is: 12,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,967.85 : 22,036.09 = 8,798.22 : x
  2. Step 2: Convert to fraction form
    15,967.85/22,036.09 = 8,798.22/x
  3. Step 3: Cross multiply
    15,967.85x = 22,036.09 × 8,798.22
  4. Step 4: Simplify right side
    15,967.85x = 193,878,345.76
  5. Step 5: Solve for x
    x = 193,878,345.76/15,967.85
  6. Step 6: Final answer
    x = 12,141.80

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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.