Home / 25,830.02-35,644.26-15,756.86

Finding the Fourth Proportional to 25,830.02, 35,644.26 and 15,756.86

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Solution

The fourth proportional to 25,830.02, 35,644.26 and 15,756.86 is: 21,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.02 : 35,644.26 = 15,756.86 : x
  2. Step 2: Convert to fraction form
    25,830.02/35,644.26 = 15,756.86/x
  3. Step 3: Cross multiply
    25,830.02x = 35,644.26 × 15,756.86
  4. Step 4: Simplify right side
    25,830.02x = 561,641,614.62
  5. Step 5: Solve for x
    x = 561,641,614.62/25,830.02
  6. Step 6: Final answer
    x = 21,743.75

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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.