Home / 14,980.15-20,673.12-8,266.06

Finding the Fourth Proportional to 14,980.15, 20,673.12 and 8,266.06

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Solution

The fourth proportional to 14,980.15, 20,673.12 and 8,266.06 is: 11,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,980.15 : 20,673.12 = 8,266.06 : x
  2. Step 2: Convert to fraction form
    14,980.15/20,673.12 = 8,266.06/x
  3. Step 3: Cross multiply
    14,980.15x = 20,673.12 × 8,266.06
  4. Step 4: Simplify right side
    14,980.15x = 170,885,250.31
  5. Step 5: Solve for x
    x = 170,885,250.31/14,980.15
  6. Step 6: Final answer
    x = 11,407.45

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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.