Home / 14,599.82-20,140.16-9,285.42

Finding the Fourth Proportional to 14,599.82, 20,140.16 and 9,285.42

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Solution

The fourth proportional to 14,599.82, 20,140.16 and 9,285.42 is: 12,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.82 : 20,140.16 = 9,285.42 : x
  2. Step 2: Convert to fraction form
    14,599.82/20,140.16 = 9,285.42/x
  3. Step 3: Cross multiply
    14,599.82x = 20,140.16 × 9,285.42
  4. Step 4: Simplify right side
    14,599.82x = 187,009,844.47
  5. Step 5: Solve for x
    x = 187,009,844.47/14,599.82
  6. Step 6: Final answer
    x = 12,809.05

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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.