Home / 15,104.55-20,861.73-10,060.47

Finding the Fourth Proportional to 15,104.55, 20,861.73 and 10,060.47

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Solution

The fourth proportional to 15,104.55, 20,861.73 and 10,060.47 is: 13,895.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,104.55 : 20,861.73 = 10,060.47 : x
  2. Step 2: Convert to fraction form
    15,104.55/20,861.73 = 10,060.47/x
  3. Step 3: Cross multiply
    15,104.55x = 20,861.73 × 10,060.47
  4. Step 4: Simplify right side
    15,104.55x = 209,878,808.81
  5. Step 5: Solve for x
    x = 209,878,808.81/15,104.55
  6. Step 6: Final answer
    x = 13,895.07

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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.