Home / 19,308.57-26,632.08-17,720.35

Finding the Fourth Proportional to 19,308.57, 26,632.08 and 17,720.35

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Solution

The fourth proportional to 19,308.57, 26,632.08 and 17,720.35 is: 24,441.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.57 : 26,632.08 = 17,720.35 : x
  2. Step 2: Convert to fraction form
    19,308.57/26,632.08 = 17,720.35/x
  3. Step 3: Cross multiply
    19,308.57x = 26,632.08 × 17,720.35
  4. Step 4: Simplify right side
    19,308.57x = 471,929,778.83
  5. Step 5: Solve for x
    x = 471,929,778.83/19,308.57
  6. Step 6: Final answer
    x = 24,441.47

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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.