Home / 16,368.80-22,538.30-12,798.23

Finding the Fourth Proportional to 16,368.80, 22,538.30 and 12,798.23

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Solution

The fourth proportional to 16,368.80, 22,538.30 and 12,798.23 is: 17,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,368.80 : 22,538.30 = 12,798.23 : x
  2. Step 2: Convert to fraction form
    16,368.80/22,538.30 = 12,798.23/x
  3. Step 3: Cross multiply
    16,368.80x = 22,538.30 × 12,798.23
  4. Step 4: Simplify right side
    16,368.80x = 288,450,170.53
  5. Step 5: Solve for x
    x = 288,450,170.53/16,368.80
  6. Step 6: Final answer
    x = 17,621.96

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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.