Home / 53,256.96-79,897.67-15,816.21

Finding the Fourth Proportional to 53,256.96, 79,897.67 and 15,816.21

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Solution

The fourth proportional to 53,256.96, 79,897.67 and 15,816.21 is: 23,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,256.96 : 79,897.67 = 15,816.21 : x
  2. Step 2: Convert to fraction form
    53,256.96/79,897.67 = 15,816.21/x
  3. Step 3: Cross multiply
    53,256.96x = 79,897.67 × 15,816.21
  4. Step 4: Simplify right side
    53,256.96x = 1,263,678,546.23
  5. Step 5: Solve for x
    x = 1,263,678,546.23/53,256.96
  6. Step 6: Final answer
    x = 23,727.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.