Home / 20,699.02-31,043.34-8,846.93

Finding the Fourth Proportional to 20,699.02, 31,043.34 and 8,846.93

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Solution

The fourth proportional to 20,699.02, 31,043.34 and 8,846.93 is: 13,268.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,699.02 : 31,043.34 = 8,846.93 : x
  2. Step 2: Convert to fraction form
    20,699.02/31,043.34 = 8,846.93/x
  3. Step 3: Cross multiply
    20,699.02x = 31,043.34 × 8,846.93
  4. Step 4: Simplify right side
    20,699.02x = 274,638,333.55
  5. Step 5: Solve for x
    x = 274,638,333.55/20,699.02
  6. Step 6: Final answer
    x = 13,268.18

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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.