Home / 19,173.84-26,455.81-11,214.51

Finding the Fourth Proportional to 19,173.84, 26,455.81 and 11,214.51

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Solution

The fourth proportional to 19,173.84, 26,455.81 and 11,214.51 is: 15,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.84 : 26,455.81 = 11,214.51 : x
  2. Step 2: Convert to fraction form
    19,173.84/26,455.81 = 11,214.51/x
  3. Step 3: Cross multiply
    19,173.84x = 26,455.81 × 11,214.51
  4. Step 4: Simplify right side
    19,173.84x = 296,688,945.80
  5. Step 5: Solve for x
    x = 296,688,945.80/19,173.84
  6. Step 6: Final answer
    x = 15,473.63

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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.