Home / 15,900.02-21,941.60-8,826.26

Finding the Fourth Proportional to 15,900.02, 21,941.60 and 8,826.26

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Solution

The fourth proportional to 15,900.02, 21,941.60 and 8,826.26 is: 12,180.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,900.02 : 21,941.60 = 8,826.26 : x
  2. Step 2: Convert to fraction form
    15,900.02/21,941.60 = 8,826.26/x
  3. Step 3: Cross multiply
    15,900.02x = 21,941.60 × 8,826.26
  4. Step 4: Simplify right side
    15,900.02x = 193,662,266.42
  5. Step 5: Solve for x
    x = 193,662,266.42/15,900.02
  6. Step 6: Final answer
    x = 12,180.00

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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.