Home / 19,887.88-27,444.56-10,935.32

Finding the Fourth Proportional to 19,887.88, 27,444.56 and 10,935.32

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Solution

The fourth proportional to 19,887.88, 27,444.56 and 10,935.32 is: 15,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.88 : 27,444.56 = 10,935.32 : x
  2. Step 2: Convert to fraction form
    19,887.88/27,444.56 = 10,935.32/x
  3. Step 3: Cross multiply
    19,887.88x = 27,444.56 × 10,935.32
  4. Step 4: Simplify right side
    19,887.88x = 300,115,045.86
  5. Step 5: Solve for x
    x = 300,115,045.86/19,887.88
  6. Step 6: Final answer
    x = 15,090.35

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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.