Home / 15,298.80-22,947.40-4,909.76

Finding the Fourth Proportional to 15,298.80, 22,947.40 and 4,909.76

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Solution

The fourth proportional to 15,298.80, 22,947.40 and 4,909.76 is: 7,364.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.80 : 22,947.40 = 4,909.76 : x
  2. Step 2: Convert to fraction form
    15,298.80/22,947.40 = 4,909.76/x
  3. Step 3: Cross multiply
    15,298.80x = 22,947.40 × 4,909.76
  4. Step 4: Simplify right side
    15,298.80x = 112,666,226.62
  5. Step 5: Solve for x
    x = 112,666,226.62/15,298.80
  6. Step 6: Final answer
    x = 7,364.38

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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.