Home / 30,381.84-45,555.75-10,652.67

Finding the Fourth Proportional to 30,381.84, 45,555.75 and 10,652.67

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Solution

The fourth proportional to 30,381.84, 45,555.75 and 10,652.67 is: 15,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.84 : 45,555.75 = 10,652.67 : x
  2. Step 2: Convert to fraction form
    30,381.84/45,555.75 = 10,652.67/x
  3. Step 3: Cross multiply
    30,381.84x = 45,555.75 × 10,652.67
  4. Step 4: Simplify right side
    30,381.84x = 485,290,371.35
  5. Step 5: Solve for x
    x = 485,290,371.35/30,381.84
  6. Step 6: Final answer
    x = 15,973.04

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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.