Home / 14,176.99-19,564.09-7,803.45

Finding the Fourth Proportional to 14,176.99, 19,564.09 and 7,803.45

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Solution

The fourth proportional to 14,176.99, 19,564.09 and 7,803.45 is: 10,768.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,176.99 : 19,564.09 = 7,803.45 : x
  2. Step 2: Convert to fraction form
    14,176.99/19,564.09 = 7,803.45/x
  3. Step 3: Cross multiply
    14,176.99x = 19,564.09 × 7,803.45
  4. Step 4: Simplify right side
    14,176.99x = 152,667,261.27
  5. Step 5: Solve for x
    x = 152,667,261.27/14,176.99
  6. Step 6: Final answer
    x = 10,768.67

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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.