Home / 28,486.22-42,714.64-16,663.06

Finding the Fourth Proportional to 28,486.22, 42,714.64 and 16,663.06

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Solution

The fourth proportional to 28,486.22, 42,714.64 and 16,663.06 is: 24,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,486.22 : 42,714.64 = 16,663.06 : x
  2. Step 2: Convert to fraction form
    28,486.22/42,714.64 = 16,663.06/x
  3. Step 3: Cross multiply
    28,486.22x = 42,714.64 × 16,663.06
  4. Step 4: Simplify right side
    28,486.22x = 711,756,609.20
  5. Step 5: Solve for x
    x = 711,756,609.20/28,486.22
  6. Step 6: Final answer
    x = 24,986.00

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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.