Home / 19,011.51-28,507.75-5,862.18

Finding the Fourth Proportional to 19,011.51, 28,507.75 and 5,862.18

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Solution

The fourth proportional to 19,011.51, 28,507.75 and 5,862.18 is: 8,790.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.51 : 28,507.75 = 5,862.18 : x
  2. Step 2: Convert to fraction form
    19,011.51/28,507.75 = 5,862.18/x
  3. Step 3: Cross multiply
    19,011.51x = 28,507.75 × 5,862.18
  4. Step 4: Simplify right side
    19,011.51x = 167,117,419.36
  5. Step 5: Solve for x
    x = 167,117,419.36/19,011.51
  6. Step 6: Final answer
    x = 8,790.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.