Home / 19,659.15-27,130.14-10,707.24

Finding the Fourth Proportional to 19,659.15, 27,130.14 and 10,707.24

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Solution

The fourth proportional to 19,659.15, 27,130.14 and 10,707.24 is: 14,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,659.15 : 27,130.14 = 10,707.24 : x
  2. Step 2: Convert to fraction form
    19,659.15/27,130.14 = 10,707.24/x
  3. Step 3: Cross multiply
    19,659.15x = 27,130.14 × 10,707.24
  4. Step 4: Simplify right side
    19,659.15x = 290,488,920.21
  5. Step 5: Solve for x
    x = 290,488,920.21/19,659.15
  6. Step 6: Final answer
    x = 14,776.27

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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.