Home / 52,390.07-78,584.34-12,947.19

Finding the Fourth Proportional to 52,390.07, 78,584.34 and 12,947.19

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Solution

The fourth proportional to 52,390.07, 78,584.34 and 12,947.19 is: 19,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.07 : 78,584.34 = 12,947.19 : x
  2. Step 2: Convert to fraction form
    52,390.07/78,584.34 = 12,947.19/x
  3. Step 3: Cross multiply
    52,390.07x = 78,584.34 × 12,947.19
  4. Step 4: Simplify right side
    52,390.07x = 1,017,446,381.00
  5. Step 5: Solve for x
    x = 1,017,446,381.00/52,390.07
  6. Step 6: Final answer
    x = 19,420.60

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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.