Home / 14,784.32-22,176.80-3,690.88

Finding the Fourth Proportional to 14,784.32, 22,176.80 and 3,690.88

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Solution

The fourth proportional to 14,784.32, 22,176.80 and 3,690.88 is: 5,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784.32 : 22,176.80 = 3,690.88 : x
  2. Step 2: Convert to fraction form
    14,784.32/22,176.80 = 3,690.88/x
  3. Step 3: Cross multiply
    14,784.32x = 22,176.80 × 3,690.88
  4. Step 4: Simplify right side
    14,784.32x = 81,851,907.58
  5. Step 5: Solve for x
    x = 81,851,907.58/14,784.32
  6. Step 6: Final answer
    x = 5,536.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.