Home / 14,870.44-20,521.38-9,284.68

Finding the Fourth Proportional to 14,870.44, 20,521.38 and 9,284.68

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Solution

The fourth proportional to 14,870.44, 20,521.38 and 9,284.68 is: 12,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,870.44 : 20,521.38 = 9,284.68 : x
  2. Step 2: Convert to fraction form
    14,870.44/20,521.38 = 9,284.68/x
  3. Step 3: Cross multiply
    14,870.44x = 20,521.38 × 9,284.68
  4. Step 4: Simplify right side
    14,870.44x = 190,534,446.46
  5. Step 5: Solve for x
    x = 190,534,446.46/14,870.44
  6. Step 6: Final answer
    x = 12,812.97

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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.