Home / 22,210.67-33,329.61-11,688.23

Finding the Fourth Proportional to 22,210.67, 33,329.61 and 11,688.23

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Solution

The fourth proportional to 22,210.67, 33,329.61 and 11,688.23 is: 17,539.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.67 : 33,329.61 = 11,688.23 : x
  2. Step 2: Convert to fraction form
    22,210.67/33,329.61 = 11,688.23/x
  3. Step 3: Cross multiply
    22,210.67x = 33,329.61 × 11,688.23
  4. Step 4: Simplify right side
    22,210.67x = 389,564,230.81
  5. Step 5: Solve for x
    x = 389,564,230.81/22,210.67
  6. Step 6: Final answer
    x = 17,539.51

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Half scale
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Double scale
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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.