Home / 14,071.16-21,107.68-4,712.16

Finding the Fourth Proportional to 14,071.16, 21,107.68 and 4,712.16

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Solution

The fourth proportional to 14,071.16, 21,107.68 and 4,712.16 is: 7,068.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.16 : 21,107.68 = 4,712.16 : x
  2. Step 2: Convert to fraction form
    14,071.16/21,107.68 = 4,712.16/x
  3. Step 3: Cross multiply
    14,071.16x = 21,107.68 × 4,712.16
  4. Step 4: Simplify right side
    14,071.16x = 99,462,765.39
  5. Step 5: Solve for x
    x = 99,462,765.39/14,071.16
  6. Step 6: Final answer
    x = 7,068.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.