Home / 13,045.43-19,569.68-4,157.67

Finding the Fourth Proportional to 13,045.43, 19,569.68 and 4,157.67

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Solution

The fourth proportional to 13,045.43, 19,569.68 and 4,157.67 is: 6,236.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.43 : 19,569.68 = 4,157.67 : x
  2. Step 2: Convert to fraction form
    13,045.43/19,569.68 = 4,157.67/x
  3. Step 3: Cross multiply
    13,045.43x = 19,569.68 × 4,157.67
  4. Step 4: Simplify right side
    13,045.43x = 81,364,271.45
  5. Step 5: Solve for x
    x = 81,364,271.45/13,045.43
  6. Step 6: Final answer
    x = 6,236.99

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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.