Home / 14,550.40-20,182.72-14,053.12

Finding the Fourth Proportional to 14,550.40, 20,182.72 and 14,053.12

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Solution

The fourth proportional to 14,550.40, 20,182.72 and 14,053.12 is: 19,492.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.40 : 20,182.72 = 14,053.12 : x
  2. Step 2: Convert to fraction form
    14,550.40/20,182.72 = 14,053.12/x
  3. Step 3: Cross multiply
    14,550.40x = 20,182.72 × 14,053.12
  4. Step 4: Simplify right side
    14,550.40x = 283,630,186.09
  5. Step 5: Solve for x
    x = 283,630,186.09/14,550.40
  6. Step 6: Final answer
    x = 19,492.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.