Home / 14,899.52-22,368.80-9,991.12

Finding the Fourth Proportional to 14,899.52, 22,368.80 and 9,991.12

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Solution

The fourth proportional to 14,899.52, 22,368.80 and 9,991.12 is: 14,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.52 : 22,368.80 = 9,991.12 : x
  2. Step 2: Convert to fraction form
    14,899.52/22,368.80 = 9,991.12/x
  3. Step 3: Cross multiply
    14,899.52x = 22,368.80 × 9,991.12
  4. Step 4: Simplify right side
    14,899.52x = 223,489,334.11
  5. Step 5: Solve for x
    x = 223,489,334.11/14,899.52
  6. Step 6: Final answer
    x = 14,999.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.