Home / 52,011.27-78,017.10-12,568.32

Finding the Fourth Proportional to 52,011.27, 78,017.10 and 12,568.32

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Solution

The fourth proportional to 52,011.27, 78,017.10 and 12,568.32 is: 18,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,011.27 : 78,017.10 = 12,568.32 : x
  2. Step 2: Convert to fraction form
    52,011.27/78,017.10 = 12,568.32/x
  3. Step 3: Cross multiply
    52,011.27x = 78,017.10 × 12,568.32
  4. Step 4: Simplify right side
    52,011.27x = 980,543,878.27
  5. Step 5: Solve for x
    x = 980,543,878.27/52,011.27
  6. Step 6: Final answer
    x = 18,852.53

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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.