Home / 16,036.64-22,129.44-8,962.88

Finding the Fourth Proportional to 16,036.64, 22,129.44 and 8,962.88

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Solution

The fourth proportional to 16,036.64, 22,129.44 and 8,962.88 is: 12,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,036.64 : 22,129.44 = 8,962.88 : x
  2. Step 2: Convert to fraction form
    16,036.64/22,129.44 = 8,962.88/x
  3. Step 3: Cross multiply
    16,036.64x = 22,129.44 × 8,962.88
  4. Step 4: Simplify right side
    16,036.64x = 198,343,515.19
  5. Step 5: Solve for x
    x = 198,343,515.19/16,036.64
  6. Step 6: Final answer
    x = 12,368.15

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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.