Home / 14,110.68-19,565.72-13,642.32

Finding the Fourth Proportional to 14,110.68, 19,565.72 and 13,642.32

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Solution

The fourth proportional to 14,110.68, 19,565.72 and 13,642.32 is: 18,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.68 : 19,565.72 = 13,642.32 : x
  2. Step 2: Convert to fraction form
    14,110.68/19,565.72 = 13,642.32/x
  3. Step 3: Cross multiply
    14,110.68x = 19,565.72 × 13,642.32
  4. Step 4: Simplify right side
    14,110.68x = 266,921,813.27
  5. Step 5: Solve for x
    x = 266,921,813.27/14,110.68
  6. Step 6: Final answer
    x = 18,916.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.