Home / 25,411.50-35,068.32-15,213.06

Finding the Fourth Proportional to 25,411.50, 35,068.32 and 15,213.06

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Solution

The fourth proportional to 25,411.50, 35,068.32 and 15,213.06 is: 20,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,411.50 : 35,068.32 = 15,213.06 : x
  2. Step 2: Convert to fraction form
    25,411.50/35,068.32 = 15,213.06/x
  3. Step 3: Cross multiply
    25,411.50x = 35,068.32 × 15,213.06
  4. Step 4: Simplify right side
    25,411.50x = 533,496,456.26
  5. Step 5: Solve for x
    x = 533,496,456.26/25,411.50
  6. Step 6: Final answer
    x = 20,994.29

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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.