Home / 19,359.51-26,720.19-11,404.50

Finding the Fourth Proportional to 19,359.51, 26,720.19 and 11,404.50

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Solution

The fourth proportional to 19,359.51, 26,720.19 and 11,404.50 is: 15,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.51 : 26,720.19 = 11,404.50 : x
  2. Step 2: Convert to fraction form
    19,359.51/26,720.19 = 11,404.50/x
  3. Step 3: Cross multiply
    19,359.51x = 26,720.19 × 11,404.50
  4. Step 4: Simplify right side
    19,359.51x = 304,730,406.86
  5. Step 5: Solve for x
    x = 304,730,406.86/19,359.51
  6. Step 6: Final answer
    x = 15,740.61

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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.