Home / 53,295.13-79,928.78-15,845.12

Finding the Fourth Proportional to 53,295.13, 79,928.78 and 15,845.12

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Solution

The fourth proportional to 53,295.13, 79,928.78 and 15,845.12 is: 23,763.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,295.13 : 79,928.78 = 15,845.12 : x
  2. Step 2: Convert to fraction form
    53,295.13/79,928.78 = 15,845.12/x
  3. Step 3: Cross multiply
    53,295.13x = 79,928.78 × 15,845.12
  4. Step 4: Simplify right side
    53,295.13x = 1,266,480,931.42
  5. Step 5: Solve for x
    x = 1,266,480,931.42/53,295.13
  6. Step 6: Final answer
    x = 23,763.54

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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.