Home / 14,986.02-20,689.65-13,325.46

Finding the Fourth Proportional to 14,986.02, 20,689.65 and 13,325.46

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Solution

The fourth proportional to 14,986.02, 20,689.65 and 13,325.46 is: 18,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,986.02 : 20,689.65 = 13,325.46 : x
  2. Step 2: Convert to fraction form
    14,986.02/20,689.65 = 13,325.46/x
  3. Step 3: Cross multiply
    14,986.02x = 20,689.65 × 13,325.46
  4. Step 4: Simplify right side
    14,986.02x = 275,699,103.49
  5. Step 5: Solve for x
    x = 275,699,103.49/14,986.02
  6. Step 6: Final answer
    x = 18,397.09

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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.