Home / 19,888.13-27,444.91-10,935.57

Finding the Fourth Proportional to 19,888.13, 27,444.91 and 10,935.57

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Solution

The fourth proportional to 19,888.13, 27,444.91 and 10,935.57 is: 15,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,888.13 : 27,444.91 = 10,935.57 : x
  2. Step 2: Convert to fraction form
    19,888.13/27,444.91 = 10,935.57/x
  3. Step 3: Cross multiply
    19,888.13x = 27,444.91 × 10,935.57
  4. Step 4: Simplify right side
    19,888.13x = 300,125,734.45
  5. Step 5: Solve for x
    x = 300,125,734.45/19,888.13
  6. Step 6: Final answer
    x = 15,090.70

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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.