Home / 25,693.20-35,462.33-15,619.50

Finding the Fourth Proportional to 25,693.20, 35,462.33 and 15,619.50

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Solution

The fourth proportional to 25,693.20, 35,462.33 and 15,619.50 is: 21,558.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,693.20 : 35,462.33 = 15,619.50 : x
  2. Step 2: Convert to fraction form
    25,693.20/35,462.33 = 15,619.50/x
  3. Step 3: Cross multiply
    25,693.20x = 35,462.33 × 15,619.50
  4. Step 4: Simplify right side
    25,693.20x = 553,903,785.34
  5. Step 5: Solve for x
    x = 553,903,785.34/25,693.20
  6. Step 6: Final answer
    x = 21,558.38

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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.