Home / 25,698.74-35,464.50-15,088.55

Finding the Fourth Proportional to 25,698.74, 35,464.50 and 15,088.55

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Solution

The fourth proportional to 25,698.74, 35,464.50 and 15,088.55 is: 20,822.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,698.74 : 35,464.50 = 15,088.55 : x
  2. Step 2: Convert to fraction form
    25,698.74/35,464.50 = 15,088.55/x
  3. Step 3: Cross multiply
    25,698.74x = 35,464.50 × 15,088.55
  4. Step 4: Simplify right side
    25,698.74x = 535,107,704.15
  5. Step 5: Solve for x
    x = 535,107,704.15/25,698.74
  6. Step 6: Final answer
    x = 20,822.34

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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.