Home / 19,164.12-26,445.06-10,779

Finding the Fourth Proportional to 19,164.12, 26,445.06 and 10,779

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Solution

The fourth proportional to 19,164.12, 26,445.06 and 10,779 is: 14,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.12 : 26,445.06 = 10,779 : x
  2. Step 2: Convert to fraction form
    19,164.12/26,445.06 = 10,779/x
  3. Step 3: Cross multiply
    19,164.12x = 26,445.06 × 10,779
  4. Step 4: Simplify right side
    19,164.12x = 285,051,301.74
  5. Step 5: Solve for x
    x = 285,051,301.74/19,164.12
  6. Step 6: Final answer
    x = 14,874.22

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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.