Home / 13,459.34-18,573.70-7,491.01

Finding the Fourth Proportional to 13,459.34, 18,573.70 and 7,491.01

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Solution

The fourth proportional to 13,459.34, 18,573.70 and 7,491.01 is: 10,337.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.34 : 18,573.70 = 7,491.01 : x
  2. Step 2: Convert to fraction form
    13,459.34/18,573.70 = 7,491.01/x
  3. Step 3: Cross multiply
    13,459.34x = 18,573.70 × 7,491.01
  4. Step 4: Simplify right side
    13,459.34x = 139,135,679.57
  5. Step 5: Solve for x
    x = 139,135,679.57/13,459.34
  6. Step 6: Final answer
    x = 10,337.48

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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.