Home / 15,727.08-21,703.98-9,014.01

Finding the Fourth Proportional to 15,727.08, 21,703.98 and 9,014.01

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Solution

The fourth proportional to 15,727.08, 21,703.98 and 9,014.01 is: 12,439.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.08 : 21,703.98 = 9,014.01 : x
  2. Step 2: Convert to fraction form
    15,727.08/21,703.98 = 9,014.01/x
  3. Step 3: Cross multiply
    15,727.08x = 21,703.98 × 9,014.01
  4. Step 4: Simplify right side
    15,727.08x = 195,639,777.57
  5. Step 5: Solve for x
    x = 195,639,777.57/15,727.08
  6. Step 6: Final answer
    x = 12,439.67

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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.