Home / 14,736.20-20,335.75-8,021.88

Finding the Fourth Proportional to 14,736.20, 20,335.75 and 8,021.88

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Solution

The fourth proportional to 14,736.20, 20,335.75 and 8,021.88 is: 11,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736.20 : 20,335.75 = 8,021.88 : x
  2. Step 2: Convert to fraction form
    14,736.20/20,335.75 = 8,021.88/x
  3. Step 3: Cross multiply
    14,736.20x = 20,335.75 × 8,021.88
  4. Step 4: Simplify right side
    14,736.20x = 163,130,931.52
  5. Step 5: Solve for x
    x = 163,130,931.52/14,736.20
  6. Step 6: Final answer
    x = 11,070.08

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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.