Home / 15,667.02-21,619.08-8,952.63

Finding the Fourth Proportional to 15,667.02, 21,619.08 and 8,952.63

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Solution

The fourth proportional to 15,667.02, 21,619.08 and 8,952.63 is: 12,353.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,667.02 : 21,619.08 = 8,952.63 : x
  2. Step 2: Convert to fraction form
    15,667.02/21,619.08 = 8,952.63/x
  3. Step 3: Cross multiply
    15,667.02x = 21,619.08 × 8,952.63
  4. Step 4: Simplify right side
    15,667.02x = 193,547,624.18
  5. Step 5: Solve for x
    x = 193,547,624.18/15,667.02
  6. Step 6: Final answer
    x = 12,353.83

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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.