Home / 13,549.19-18,697.97-7,580.96

Finding the Fourth Proportional to 13,549.19, 18,697.97 and 7,580.96

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Solution

The fourth proportional to 13,549.19, 18,697.97 and 7,580.96 is: 10,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.19 : 18,697.97 = 7,580.96 : x
  2. Step 2: Convert to fraction form
    13,549.19/18,697.97 = 7,580.96/x
  3. Step 3: Cross multiply
    13,549.19x = 18,697.97 × 7,580.96
  4. Step 4: Simplify right side
    13,549.19x = 141,748,558.23
  5. Step 5: Solve for x
    x = 141,748,558.23/13,549.19
  6. Step 6: Final answer
    x = 10,461.77

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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.