Home / 14,235.06-21,359.88-7,667.58

Finding the Fourth Proportional to 14,235.06, 21,359.88 and 7,667.58

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Solution

The fourth proportional to 14,235.06, 21,359.88 and 7,667.58 is: 11,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.06 : 21,359.88 = 7,667.58 : x
  2. Step 2: Convert to fraction form
    14,235.06/21,359.88 = 7,667.58/x
  3. Step 3: Cross multiply
    14,235.06x = 21,359.88 × 7,667.58
  4. Step 4: Simplify right side
    14,235.06x = 163,778,588.69
  5. Step 5: Solve for x
    x = 163,778,588.69/14,235.06
  6. Step 6: Final answer
    x = 11,505.30

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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.