Home / 13,307.95-19,961.93-6,285.66

Finding the Fourth Proportional to 13,307.95, 19,961.93 and 6,285.66

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Solution

The fourth proportional to 13,307.95, 19,961.93 and 6,285.66 is: 9,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.95 : 19,961.93 = 6,285.66 : x
  2. Step 2: Convert to fraction form
    13,307.95/19,961.93 = 6,285.66/x
  3. Step 3: Cross multiply
    13,307.95x = 19,961.93 × 6,285.66
  4. Step 4: Simplify right side
    13,307.95x = 125,473,904.92
  5. Step 5: Solve for x
    x = 125,473,904.92/13,307.95
  6. Step 6: Final answer
    x = 9,428.49

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Double scale
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Similar ratio
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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.