Home / 14,099.19-19,455.55-8,432.79

Finding the Fourth Proportional to 14,099.19, 19,455.55 and 8,432.79

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Solution

The fourth proportional to 14,099.19, 19,455.55 and 8,432.79 is: 11,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.19 : 19,455.55 = 8,432.79 : x
  2. Step 2: Convert to fraction form
    14,099.19/19,455.55 = 8,432.79/x
  3. Step 3: Cross multiply
    14,099.19x = 19,455.55 × 8,432.79
  4. Step 4: Simplify right side
    14,099.19x = 164,064,567.48
  5. Step 5: Solve for x
    x = 164,064,567.48/14,099.19
  6. Step 6: Final answer
    x = 11,636.45

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Half scale
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Double scale
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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.