Home / 19,595.56-27,041.64-10,643.20

Finding the Fourth Proportional to 19,595.56, 27,041.64 and 10,643.20

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Solution

The fourth proportional to 19,595.56, 27,041.64 and 10,643.20 is: 14,687.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.56 : 27,041.64 = 10,643.20 : x
  2. Step 2: Convert to fraction form
    19,595.56/27,041.64 = 10,643.20/x
  3. Step 3: Cross multiply
    19,595.56x = 27,041.64 × 10,643.20
  4. Step 4: Simplify right side
    19,595.56x = 287,809,582.85
  5. Step 5: Solve for x
    x = 287,809,582.85/19,595.56
  6. Step 6: Final answer
    x = 14,687.49

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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.