Home / 14,040.80-19,376.35-7,667.45

Finding the Fourth Proportional to 14,040.80, 19,376.35 and 7,667.45

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Solution

The fourth proportional to 14,040.80, 19,376.35 and 7,667.45 is: 10,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.80 : 19,376.35 = 7,667.45 : x
  2. Step 2: Convert to fraction form
    14,040.80/19,376.35 = 7,667.45/x
  3. Step 3: Cross multiply
    14,040.80x = 19,376.35 × 7,667.45
  4. Step 4: Simplify right side
    14,040.80x = 148,567,224.08
  5. Step 5: Solve for x
    x = 148,567,224.08/14,040.80
  6. Step 6: Final answer
    x = 10,581.11

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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.