Home / 14,772.77-22,154.33-4,909.40

Finding the Fourth Proportional to 14,772.77, 22,154.33 and 4,909.40

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Solution

The fourth proportional to 14,772.77, 22,154.33 and 4,909.40 is: 7,362.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772.77 : 22,154.33 = 4,909.40 : x
  2. Step 2: Convert to fraction form
    14,772.77/22,154.33 = 4,909.40/x
  3. Step 3: Cross multiply
    14,772.77x = 22,154.33 × 4,909.40
  4. Step 4: Simplify right side
    14,772.77x = 108,764,369.20
  5. Step 5: Solve for x
    x = 108,764,369.20/14,772.77
  6. Step 6: Final answer
    x = 7,362.49

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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.