Home / 25,420.64-38,325.98-23,705.62

Finding the Fourth Proportional to 25,420.64, 38,325.98 and 23,705.62

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Solution

The fourth proportional to 25,420.64, 38,325.98 and 23,705.62 is: 35,740.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.64 : 38,325.98 = 23,705.62 : x
  2. Step 2: Convert to fraction form
    25,420.64/38,325.98 = 23,705.62/x
  3. Step 3: Cross multiply
    25,420.64x = 38,325.98 × 23,705.62
  4. Step 4: Simplify right side
    25,420.64x = 908,541,118.01
  5. Step 5: Solve for x
    x = 908,541,118.01/25,420.64
  6. Step 6: Final answer
    x = 35,740.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.