Home / 19,572.47-27,011.33-11,074.58

Finding the Fourth Proportional to 19,572.47, 27,011.33 and 11,074.58

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Solution

The fourth proportional to 19,572.47, 27,011.33 and 11,074.58 is: 15,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.47 : 27,011.33 = 11,074.58 : x
  2. Step 2: Convert to fraction form
    19,572.47/27,011.33 = 11,074.58/x
  3. Step 3: Cross multiply
    19,572.47x = 27,011.33 × 11,074.58
  4. Step 4: Simplify right side
    19,572.47x = 299,139,134.99
  5. Step 5: Solve for x
    x = 299,139,134.99/19,572.47
  6. Step 6: Final answer
    x = 15,283.67

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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.