Home / 19,309.08-26,632.77-17,720.86

Finding the Fourth Proportional to 19,309.08, 26,632.77 and 17,720.86

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Solution

The fourth proportional to 19,309.08, 26,632.77 and 17,720.86 is: 24,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,309.08 : 26,632.77 = 17,720.86 : x
  2. Step 2: Convert to fraction form
    19,309.08/26,632.77 = 17,720.86/x
  3. Step 3: Cross multiply
    19,309.08x = 26,632.77 × 17,720.86
  4. Step 4: Simplify right side
    19,309.08x = 471,955,522.00
  5. Step 5: Solve for x
    x = 471,955,522.00/19,309.08
  6. Step 6: Final answer
    x = 24,442.15

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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.