Home / 52,253.52-78,381.77-12,810.60

Finding the Fourth Proportional to 52,253.52, 78,381.77 and 12,810.60

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Solution

The fourth proportional to 52,253.52, 78,381.77 and 12,810.60 is: 19,216.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,253.52 : 78,381.77 = 12,810.60 : x
  2. Step 2: Convert to fraction form
    52,253.52/78,381.77 = 12,810.60/x
  3. Step 3: Cross multiply
    52,253.52x = 78,381.77 × 12,810.60
  4. Step 4: Simplify right side
    52,253.52x = 1,004,117,438.71
  5. Step 5: Solve for x
    x = 1,004,117,438.71/52,253.52
  6. Step 6: Final answer
    x = 19,216.26

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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.