Home / 14,444.28-19,931.64-8,155.44

Finding the Fourth Proportional to 14,444.28, 19,931.64 and 8,155.44

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Solution

The fourth proportional to 14,444.28, 19,931.64 and 8,155.44 is: 11,253.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,444.28 : 19,931.64 = 8,155.44 : x
  2. Step 2: Convert to fraction form
    14,444.28/19,931.64 = 8,155.44/x
  3. Step 3: Cross multiply
    14,444.28x = 19,931.64 × 8,155.44
  4. Step 4: Simplify right side
    14,444.28x = 162,551,294.12
  5. Step 5: Solve for x
    x = 162,551,294.12/14,444.28
  6. Step 6: Final answer
    x = 11,253.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.