Home / 35,803.84-53,711.52-12,436.96

Finding the Fourth Proportional to 35,803.84, 53,711.52 and 12,436.96

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Solution

The fourth proportional to 35,803.84, 53,711.52 and 12,436.96 is: 18,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,803.84 : 53,711.52 = 12,436.96 : x
  2. Step 2: Convert to fraction form
    35,803.84/53,711.52 = 12,436.96/x
  3. Step 3: Cross multiply
    35,803.84x = 53,711.52 × 12,436.96
  4. Step 4: Simplify right side
    35,803.84x = 668,008,025.78
  5. Step 5: Solve for x
    x = 668,008,025.78/35,803.84
  6. Step 6: Final answer
    x = 18,657.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.