Home / 15,537.04-21,445.80-10,571.92

Finding the Fourth Proportional to 15,537.04, 21,445.80 and 10,571.92

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Solution

The fourth proportional to 15,537.04, 21,445.80 and 10,571.92 is: 14,592.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.04 : 21,445.80 = 10,571.92 : x
  2. Step 2: Convert to fraction form
    15,537.04/21,445.80 = 10,571.92/x
  3. Step 3: Cross multiply
    15,537.04x = 21,445.80 × 10,571.92
  4. Step 4: Simplify right side
    15,537.04x = 226,723,281.94
  5. Step 5: Solve for x
    x = 226,723,281.94/15,537.04
  6. Step 6: Final answer
    x = 14,592.44

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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.