Home / 14,219.16-19,631.61-9,741.48

Finding the Fourth Proportional to 14,219.16, 19,631.61 and 9,741.48

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Solution

The fourth proportional to 14,219.16, 19,631.61 and 9,741.48 is: 13,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219.16 : 19,631.61 = 9,741.48 : x
  2. Step 2: Convert to fraction form
    14,219.16/19,631.61 = 9,741.48/x
  3. Step 3: Cross multiply
    14,219.16x = 19,631.61 × 9,741.48
  4. Step 4: Simplify right side
    14,219.16x = 191,240,936.18
  5. Step 5: Solve for x
    x = 191,240,936.18/14,219.16
  6. Step 6: Final answer
    x = 13,449.52

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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.