Home / 14,101.35-19,458.08-7,813.59

Finding the Fourth Proportional to 14,101.35, 19,458.08 and 7,813.59

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Solution

The fourth proportional to 14,101.35, 19,458.08 and 7,813.59 is: 10,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.35 : 19,458.08 = 7,813.59 : x
  2. Step 2: Convert to fraction form
    14,101.35/19,458.08 = 7,813.59/x
  3. Step 3: Cross multiply
    14,101.35x = 19,458.08 × 7,813.59
  4. Step 4: Simplify right side
    14,101.35x = 152,037,420.24
  5. Step 5: Solve for x
    x = 152,037,420.24/14,101.35
  6. Step 6: Final answer
    x = 10,781.76

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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.