Home / 13,267.56-18,307.71-7,298.67

Finding the Fourth Proportional to 13,267.56, 18,307.71 and 7,298.67

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Solution

The fourth proportional to 13,267.56, 18,307.71 and 7,298.67 is: 10,071.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.56 : 18,307.71 = 7,298.67 : x
  2. Step 2: Convert to fraction form
    13,267.56/18,307.71 = 7,298.67/x
  3. Step 3: Cross multiply
    13,267.56x = 18,307.71 × 7,298.67
  4. Step 4: Simplify right side
    13,267.56x = 133,621,933.75
  5. Step 5: Solve for x
    x = 133,621,933.75/13,267.56
  6. Step 6: Final answer
    x = 10,071.33

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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.