Home / 23,185.86-31,964.67-15,526.14

Finding the Fourth Proportional to 23,185.86, 31,964.67 and 15,526.14

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Solution

The fourth proportional to 23,185.86, 31,964.67 and 15,526.14 is: 21,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.86 : 31,964.67 = 15,526.14 : x
  2. Step 2: Convert to fraction form
    23,185.86/31,964.67 = 15,526.14/x
  3. Step 3: Cross multiply
    23,185.86x = 31,964.67 × 15,526.14
  4. Step 4: Simplify right side
    23,185.86x = 496,287,941.47
  5. Step 5: Solve for x
    x = 496,287,941.47/23,185.86
  6. Step 6: Final answer
    x = 21,404.77

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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.