Home / 13,307.10-19,953.45-5,507.10

Finding the Fourth Proportional to 13,307.10, 19,953.45 and 5,507.10

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Solution

The fourth proportional to 13,307.10, 19,953.45 and 5,507.10 is: 8,257.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.10 : 19,953.45 = 5,507.10 : x
  2. Step 2: Convert to fraction form
    13,307.10/19,953.45 = 5,507.10/x
  3. Step 3: Cross multiply
    13,307.10x = 19,953.45 × 5,507.10
  4. Step 4: Simplify right side
    13,307.10x = 109,885,644.50
  5. Step 5: Solve for x
    x = 109,885,644.50/13,307.10
  6. Step 6: Final answer
    x = 8,257.67

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.