Home / 14,225.96-19,632.35-7,939.55

Finding the Fourth Proportional to 14,225.96, 19,632.35 and 7,939.55

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Solution

The fourth proportional to 14,225.96, 19,632.35 and 7,939.55 is: 10,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.96 : 19,632.35 = 7,939.55 : x
  2. Step 2: Convert to fraction form
    14,225.96/19,632.35 = 7,939.55/x
  3. Step 3: Cross multiply
    14,225.96x = 19,632.35 × 7,939.55
  4. Step 4: Simplify right side
    14,225.96x = 155,871,946.13
  5. Step 5: Solve for x
    x = 155,871,946.13/14,225.96
  6. Step 6: Final answer
    x = 10,956.87

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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.