Home / 19,187.13-26,477.84-10,689.24

Finding the Fourth Proportional to 19,187.13, 26,477.84 and 10,689.24

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Solution

The fourth proportional to 19,187.13, 26,477.84 and 10,689.24 is: 14,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,187.13 : 26,477.84 = 10,689.24 : x
  2. Step 2: Convert to fraction form
    19,187.13/26,477.84 = 10,689.24/x
  3. Step 3: Cross multiply
    19,187.13x = 26,477.84 × 10,689.24
  4. Step 4: Simplify right side
    19,187.13x = 283,027,959.72
  5. Step 5: Solve for x
    x = 283,027,959.72/19,187.13
  6. Step 6: Final answer
    x = 14,750.93

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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.