Home / 15,291.98-22,947.71-6,972.81

Finding the Fourth Proportional to 15,291.98, 22,947.71 and 6,972.81

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Solution

The fourth proportional to 15,291.98, 22,947.71 and 6,972.81 is: 10,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.98 : 22,947.71 = 6,972.81 : x
  2. Step 2: Convert to fraction form
    15,291.98/22,947.71 = 6,972.81/x
  3. Step 3: Cross multiply
    15,291.98x = 22,947.71 × 6,972.81
  4. Step 4: Simplify right side
    15,291.98x = 160,009,986.90
  5. Step 5: Solve for x
    x = 160,009,986.90/15,291.98
  6. Step 6: Final answer
    x = 10,463.66

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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.