Home / 14,783.05-22,182.13-6,989.77

Finding the Fourth Proportional to 14,783.05, 22,182.13 and 6,989.77

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Solution

The fourth proportional to 14,783.05, 22,182.13 and 6,989.77 is: 10,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.05 : 22,182.13 = 6,989.77 : x
  2. Step 2: Convert to fraction form
    14,783.05/22,182.13 = 6,989.77/x
  3. Step 3: Cross multiply
    14,783.05x = 22,182.13 × 6,989.77
  4. Step 4: Simplify right side
    14,783.05x = 155,047,875.90
  5. Step 5: Solve for x
    x = 155,047,875.90/14,783.05
  6. Step 6: Final answer
    x = 10,488.22

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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.