Home / 13,554.96-18,706.18-7,586.58

Finding the Fourth Proportional to 13,554.96, 18,706.18 and 7,586.58

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Solution

The fourth proportional to 13,554.96, 18,706.18 and 7,586.58 is: 10,469.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.96 : 18,706.18 = 7,586.58 : x
  2. Step 2: Convert to fraction form
    13,554.96/18,706.18 = 7,586.58/x
  3. Step 3: Cross multiply
    13,554.96x = 18,706.18 × 7,586.58
  4. Step 4: Simplify right side
    13,554.96x = 141,915,931.06
  5. Step 5: Solve for x
    x = 141,915,931.06/13,554.96
  6. Step 6: Final answer
    x = 10,469.67

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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.