Home / 19,686.17-27,166.93-10,733.49

Finding the Fourth Proportional to 19,686.17, 27,166.93 and 10,733.49

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Solution

The fourth proportional to 19,686.17, 27,166.93 and 10,733.49 is: 14,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.17 : 27,166.93 = 10,733.49 : x
  2. Step 2: Convert to fraction form
    19,686.17/27,166.93 = 10,733.49/x
  3. Step 3: Cross multiply
    19,686.17x = 27,166.93 × 10,733.49
  4. Step 4: Simplify right side
    19,686.17x = 291,595,944.65
  5. Step 5: Solve for x
    x = 291,595,944.65/19,686.17
  6. Step 6: Final answer
    x = 14,812.22

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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.