Home / 16,248.54-22,421.43-12,899.46

Finding the Fourth Proportional to 16,248.54, 22,421.43 and 12,899.46

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Solution

The fourth proportional to 16,248.54, 22,421.43 and 12,899.46 is: 17,800.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,248.54 : 22,421.43 = 12,899.46 : x
  2. Step 2: Convert to fraction form
    16,248.54/22,421.43 = 12,899.46/x
  3. Step 3: Cross multiply
    16,248.54x = 22,421.43 × 12,899.46
  4. Step 4: Simplify right side
    16,248.54x = 289,224,339.43
  5. Step 5: Solve for x
    x = 289,224,339.43/16,248.54
  6. Step 6: Final answer
    x = 17,800.02

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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.