Home / 14,010.21-21,021.54-7,345.14

Finding the Fourth Proportional to 14,010.21, 21,021.54 and 7,345.14

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Solution

The fourth proportional to 14,010.21, 21,021.54 and 7,345.14 is: 11,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.21 : 21,021.54 = 7,345.14 : x
  2. Step 2: Convert to fraction form
    14,010.21/21,021.54 = 7,345.14/x
  3. Step 3: Cross multiply
    14,010.21x = 21,021.54 × 7,345.14
  4. Step 4: Simplify right side
    14,010.21x = 154,406,154.32
  5. Step 5: Solve for x
    x = 154,406,154.32/14,010.21
  6. Step 6: Final answer
    x = 11,020.97

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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.