Home / 19,509.39-26,923.01-10,556.99

Finding the Fourth Proportional to 19,509.39, 26,923.01 and 10,556.99

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Solution

The fourth proportional to 19,509.39, 26,923.01 and 10,556.99 is: 14,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.39 : 26,923.01 = 10,556.99 : x
  2. Step 2: Convert to fraction form
    19,509.39/26,923.01 = 10,556.99/x
  3. Step 3: Cross multiply
    19,509.39x = 26,923.01 × 10,556.99
  4. Step 4: Simplify right side
    19,509.39x = 284,225,860.90
  5. Step 5: Solve for x
    x = 284,225,860.90/19,509.39
  6. Step 6: Final answer
    x = 14,568.67

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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.