Home / 16,397.04-22,573.18-15,643.84

Finding the Fourth Proportional to 16,397.04, 22,573.18 and 15,643.84

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Solution

The fourth proportional to 16,397.04, 22,573.18 and 15,643.84 is: 21,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,397.04 : 22,573.18 = 15,643.84 : x
  2. Step 2: Convert to fraction form
    16,397.04/22,573.18 = 15,643.84/x
  3. Step 3: Cross multiply
    16,397.04x = 22,573.18 × 15,643.84
  4. Step 4: Simplify right side
    16,397.04x = 353,131,216.21
  5. Step 5: Solve for x
    x = 353,131,216.21/16,397.04
  6. Step 6: Final answer
    x = 21,536.28

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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.