Home / 13,354.44-18,412.35-8,565.93

Finding the Fourth Proportional to 13,354.44, 18,412.35 and 8,565.93

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Solution

The fourth proportional to 13,354.44, 18,412.35 and 8,565.93 is: 11,810.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.44 : 18,412.35 = 8,565.93 : x
  2. Step 2: Convert to fraction form
    13,354.44/18,412.35 = 8,565.93/x
  3. Step 3: Cross multiply
    13,354.44x = 18,412.35 × 8,565.93
  4. Step 4: Simplify right side
    13,354.44x = 157,718,901.24
  5. Step 5: Solve for x
    x = 157,718,901.24/13,354.44
  6. Step 6: Final answer
    x = 11,810.22

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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.