Home / 14,133.08-19,502.57-8,160.75

Finding the Fourth Proportional to 14,133.08, 19,502.57 and 8,160.75

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Solution

The fourth proportional to 14,133.08, 19,502.57 and 8,160.75 is: 11,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133.08 : 19,502.57 = 8,160.75 : x
  2. Step 2: Convert to fraction form
    14,133.08/19,502.57 = 8,160.75/x
  3. Step 3: Cross multiply
    14,133.08x = 19,502.57 × 8,160.75
  4. Step 4: Simplify right side
    14,133.08x = 159,155,618.53
  5. Step 5: Solve for x
    x = 159,155,618.53/14,133.08
  6. Step 6: Final answer
    x = 11,261.21

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Half scale
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Double scale
Find fourth proportional to 14,134.08, 19,503.95 and 8,161.75
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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.