Home / 13,342.86-18,416.61-8,036.91

Finding the Fourth Proportional to 13,342.86, 18,416.61 and 8,036.91

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Solution

The fourth proportional to 13,342.86, 18,416.61 and 8,036.91 is: 11,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.86 : 18,416.61 = 8,036.91 : x
  2. Step 2: Convert to fraction form
    13,342.86/18,416.61 = 8,036.91/x
  3. Step 3: Cross multiply
    13,342.86x = 18,416.61 × 8,036.91
  4. Step 4: Simplify right side
    13,342.86x = 148,012,637.08
  5. Step 5: Solve for x
    x = 148,012,637.08/13,342.86
  6. Step 6: Final answer
    x = 11,093.02

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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.