Home / 19,595.72-27,042.29-10,643.40

Finding the Fourth Proportional to 19,595.72, 27,042.29 and 10,643.40

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Solution

The fourth proportional to 19,595.72, 27,042.29 and 10,643.40 is: 14,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.72 : 27,042.29 = 10,643.40 : x
  2. Step 2: Convert to fraction form
    19,595.72/27,042.29 = 10,643.40/x
  3. Step 3: Cross multiply
    19,595.72x = 27,042.29 × 10,643.40
  4. Step 4: Simplify right side
    19,595.72x = 287,821,720.96
  5. Step 5: Solve for x
    x = 287,821,720.96/19,595.72
  6. Step 6: Final answer
    x = 14,687.99

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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.