Home / 25,858.32-35,688.34-15,792.55

Finding the Fourth Proportional to 25,858.32, 35,688.34 and 15,792.55

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Solution

The fourth proportional to 25,858.32, 35,688.34 and 15,792.55 is: 21,796.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,858.32 : 35,688.34 = 15,792.55 : x
  2. Step 2: Convert to fraction form
    25,858.32/35,688.34 = 15,792.55/x
  3. Step 3: Cross multiply
    25,858.32x = 35,688.34 × 15,792.55
  4. Step 4: Simplify right side
    25,858.32x = 563,609,893.87
  5. Step 5: Solve for x
    x = 563,609,893.87/25,858.32
  6. Step 6: Final answer
    x = 21,796.08

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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.