Home / 19,595.64-27,042.12-10,643.16

Finding the Fourth Proportional to 19,595.64, 27,042.12 and 10,643.16

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Solution

The fourth proportional to 19,595.64, 27,042.12 and 10,643.16 is: 14,687.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,595.64 : 27,042.12 = 10,643.16 : x
  2. Step 2: Convert to fraction form
    19,595.64/27,042.12 = 10,643.16/x
  3. Step 3: Cross multiply
    19,595.64x = 27,042.12 × 10,643.16
  4. Step 4: Simplify right side
    19,595.64x = 287,813,609.90
  5. Step 5: Solve for x
    x = 287,813,609.90/19,595.64
  6. Step 6: Final answer
    x = 14,687.64

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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.