Home / 16,349.68-22,555.56-12,798.64

Finding the Fourth Proportional to 16,349.68, 22,555.56 and 12,798.64

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Solution

The fourth proportional to 16,349.68, 22,555.56 and 12,798.64 is: 17,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,349.68 : 22,555.56 = 12,798.64 : x
  2. Step 2: Convert to fraction form
    16,349.68/22,555.56 = 12,798.64/x
  3. Step 3: Cross multiply
    16,349.68x = 22,555.56 × 12,798.64
  4. Step 4: Simplify right side
    16,349.68x = 288,680,492.44
  5. Step 5: Solve for x
    x = 288,680,492.44/16,349.68
  6. Step 6: Final answer
    x = 17,656.64

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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.