Home / 14,521.57-20,020.58-9,476.99

Finding the Fourth Proportional to 14,521.57, 20,020.58 and 9,476.99

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Solution

The fourth proportional to 14,521.57, 20,020.58 and 9,476.99 is: 13,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.57 : 20,020.58 = 9,476.99 : x
  2. Step 2: Convert to fraction form
    14,521.57/20,020.58 = 9,476.99/x
  3. Step 3: Cross multiply
    14,521.57x = 20,020.58 × 9,476.99
  4. Step 4: Simplify right side
    14,521.57x = 189,734,836.45
  5. Step 5: Solve for x
    x = 189,734,836.45/14,521.57
  6. Step 6: Final answer
    x = 13,065.72

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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.