Home / 13,001.43-19,484.48-5,498.76

Finding the Fourth Proportional to 13,001.43, 19,484.48 and 5,498.76

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Solution

The fourth proportional to 13,001.43, 19,484.48 and 5,498.76 is: 8,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.43 : 19,484.48 = 5,498.76 : x
  2. Step 2: Convert to fraction form
    13,001.43/19,484.48 = 5,498.76/x
  3. Step 3: Cross multiply
    13,001.43x = 19,484.48 × 5,498.76
  4. Step 4: Simplify right side
    13,001.43x = 107,140,479.24
  5. Step 5: Solve for x
    x = 107,140,479.24/13,001.43
  6. Step 6: Final answer
    x = 8,240.67

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Double scale
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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.