Home / 22,430.61-33,666.75-11,345.13

Finding the Fourth Proportional to 22,430.61, 33,666.75 and 11,345.13

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Solution

The fourth proportional to 22,430.61, 33,666.75 and 11,345.13 is: 17,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,430.61 : 33,666.75 = 11,345.13 : x
  2. Step 2: Convert to fraction form
    22,430.61/33,666.75 = 11,345.13/x
  3. Step 3: Cross multiply
    22,430.61x = 33,666.75 × 11,345.13
  4. Step 4: Simplify right side
    22,430.61x = 381,953,655.43
  5. Step 5: Solve for x
    x = 381,953,655.43/22,430.61
  6. Step 6: Final answer
    x = 17,028.23

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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.