Home / 14,352.04-19,820.82-9,887.32

Finding the Fourth Proportional to 14,352.04, 19,820.82 and 9,887.32

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Solution

The fourth proportional to 14,352.04, 19,820.82 and 9,887.32 is: 13,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,352.04 : 19,820.82 = 9,887.32 : x
  2. Step 2: Convert to fraction form
    14,352.04/19,820.82 = 9,887.32/x
  3. Step 3: Cross multiply
    14,352.04x = 19,820.82 × 9,887.32
  4. Step 4: Simplify right side
    14,352.04x = 195,974,790.00
  5. Step 5: Solve for x
    x = 195,974,790.00/14,352.04
  6. Step 6: Final answer
    x = 13,654.84

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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.