Home / 14,378.24-19,848.12-9,900.56

Finding the Fourth Proportional to 14,378.24, 19,848.12 and 9,900.56

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Solution

The fourth proportional to 14,378.24, 19,848.12 and 9,900.56 is: 13,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.24 : 19,848.12 = 9,900.56 : x
  2. Step 2: Convert to fraction form
    14,378.24/19,848.12 = 9,900.56/x
  3. Step 3: Cross multiply
    14,378.24x = 19,848.12 × 9,900.56
  4. Step 4: Simplify right side
    14,378.24x = 196,507,502.95
  5. Step 5: Solve for x
    x = 196,507,502.95/14,378.24
  6. Step 6: Final answer
    x = 13,667.01

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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.