Home / 16,783.04-25,157.28-8,989.76

Finding the Fourth Proportional to 16,783.04, 25,157.28 and 8,989.76

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Solution

The fourth proportional to 16,783.04, 25,157.28 and 8,989.76 is: 13,475.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.04 : 25,157.28 = 8,989.76 : x
  2. Step 2: Convert to fraction form
    16,783.04/25,157.28 = 8,989.76/x
  3. Step 3: Cross multiply
    16,783.04x = 25,157.28 × 8,989.76
  4. Step 4: Simplify right side
    16,783.04x = 226,157,909.45
  5. Step 5: Solve for x
    x = 226,157,909.45/16,783.04
  6. Step 6: Final answer
    x = 13,475.38

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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.