Home / 19,567.99-27,003.81-10,615.51

Finding the Fourth Proportional to 19,567.99, 27,003.81 and 10,615.51

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Solution

The fourth proportional to 19,567.99, 27,003.81 and 10,615.51 is: 14,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,567.99 : 27,003.81 = 10,615.51 : x
  2. Step 2: Convert to fraction form
    19,567.99/27,003.81 = 10,615.51/x
  3. Step 3: Cross multiply
    19,567.99x = 27,003.81 × 10,615.51
  4. Step 4: Simplify right side
    19,567.99x = 286,659,215.09
  5. Step 5: Solve for x
    x = 286,659,215.09/19,567.99
  6. Step 6: Final answer
    x = 14,649.40

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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.