Home / 15,577.02-21,495.46-8,502.06

Finding the Fourth Proportional to 15,577.02, 21,495.46 and 8,502.06

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Solution

The fourth proportional to 15,577.02, 21,495.46 and 8,502.06 is: 11,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,577.02 : 21,495.46 = 8,502.06 : x
  2. Step 2: Convert to fraction form
    15,577.02/21,495.46 = 8,502.06/x
  3. Step 3: Cross multiply
    15,577.02x = 21,495.46 × 8,502.06
  4. Step 4: Simplify right side
    15,577.02x = 182,755,690.65
  5. Step 5: Solve for x
    x = 182,755,690.65/15,577.02
  6. Step 6: Final answer
    x = 11,732.39

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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.