Home / 14,695.42-20,219.61-12,699.58

Finding the Fourth Proportional to 14,695.42, 20,219.61 and 12,699.58

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Solution

The fourth proportional to 14,695.42, 20,219.61 and 12,699.58 is: 17,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.42 : 20,219.61 = 12,699.58 : x
  2. Step 2: Convert to fraction form
    14,695.42/20,219.61 = 12,699.58/x
  3. Step 3: Cross multiply
    14,695.42x = 20,219.61 × 12,699.58
  4. Step 4: Simplify right side
    14,695.42x = 256,780,554.76
  5. Step 5: Solve for x
    x = 256,780,554.76/14,695.42
  6. Step 6: Final answer
    x = 17,473.51

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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.