Home / 13,472.84-18,671.02-13,284.68

Finding the Fourth Proportional to 13,472.84, 18,671.02 and 13,284.68

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Solution

The fourth proportional to 13,472.84, 18,671.02 and 13,284.68 is: 18,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.84 : 18,671.02 = 13,284.68 : x
  2. Step 2: Convert to fraction form
    13,472.84/18,671.02 = 13,284.68/x
  3. Step 3: Cross multiply
    13,472.84x = 18,671.02 × 13,284.68
  4. Step 4: Simplify right side
    13,472.84x = 248,038,525.97
  5. Step 5: Solve for x
    x = 248,038,525.97/13,472.84
  6. Step 6: Final answer
    x = 18,410.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.