Home / 14,985.02-20,688.27-13,324.46

Finding the Fourth Proportional to 14,985.02, 20,688.27 and 13,324.46

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Solution

The fourth proportional to 14,985.02, 20,688.27 and 13,324.46 is: 18,395.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985.02 : 20,688.27 = 13,324.46 : x
  2. Step 2: Convert to fraction form
    14,985.02/20,688.27 = 13,324.46/x
  3. Step 3: Cross multiply
    14,985.02x = 20,688.27 × 13,324.46
  4. Step 4: Simplify right side
    14,985.02x = 275,660,026.08
  5. Step 5: Solve for x
    x = 275,660,026.08/14,985.02
  6. Step 6: Final answer
    x = 18,395.71

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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.