Home / 18,595.90-28,032.73-17,019.64

Finding the Fourth Proportional to 18,595.90, 28,032.73 and 17,019.64

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Solution

The fourth proportional to 18,595.90, 28,032.73 and 17,019.64 is: 25,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,595.90 : 28,032.73 = 17,019.64 : x
  2. Step 2: Convert to fraction form
    18,595.90/28,032.73 = 17,019.64/x
  3. Step 3: Cross multiply
    18,595.90x = 28,032.73 × 17,019.64
  4. Step 4: Simplify right side
    18,595.90x = 477,106,972.82
  5. Step 5: Solve for x
    x = 477,106,972.82/18,595.90
  6. Step 6: Final answer
    x = 25,656.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.