Home / 13,695.50-20,543.26-4,931.08

Finding the Fourth Proportional to 13,695.50, 20,543.26 and 4,931.08

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Solution

The fourth proportional to 13,695.50, 20,543.26 and 4,931.08 is: 7,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.50 : 20,543.26 = 4,931.08 : x
  2. Step 2: Convert to fraction form
    13,695.50/20,543.26 = 4,931.08/x
  3. Step 3: Cross multiply
    13,695.50x = 20,543.26 × 4,931.08
  4. Step 4: Simplify right side
    13,695.50x = 101,300,458.52
  5. Step 5: Solve for x
    x = 101,300,458.52/13,695.50
  6. Step 6: Final answer
    x = 7,396.62

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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.