Home / 17,828.86-24,615.76-11,117.20

Finding the Fourth Proportional to 17,828.86, 24,615.76 and 11,117.20

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Solution

The fourth proportional to 17,828.86, 24,615.76 and 11,117.20 is: 15,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,828.86 : 24,615.76 = 11,117.20 : x
  2. Step 2: Convert to fraction form
    17,828.86/24,615.76 = 11,117.20/x
  3. Step 3: Cross multiply
    17,828.86x = 24,615.76 × 11,117.20
  4. Step 4: Simplify right side
    17,828.86x = 273,658,327.07
  5. Step 5: Solve for x
    x = 273,658,327.07/17,828.86
  6. Step 6: Final answer
    x = 15,349.18

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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.