Home / 16,036.40-22,131.12-8,962.64

Finding the Fourth Proportional to 16,036.40, 22,131.12 and 8,962.64

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Solution

The fourth proportional to 16,036.40, 22,131.12 and 8,962.64 is: 12,368.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,036.40 : 22,131.12 = 8,962.64 : x
  2. Step 2: Convert to fraction form
    16,036.40/22,131.12 = 8,962.64/x
  3. Step 3: Cross multiply
    16,036.40x = 22,131.12 × 8,962.64
  4. Step 4: Simplify right side
    16,036.40x = 198,353,261.36
  5. Step 5: Solve for x
    x = 198,353,261.36/16,036.40
  6. Step 6: Final answer
    x = 12,368.94

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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.