Home / 14,075.34-19,419.03-8,765.76

Finding the Fourth Proportional to 14,075.34, 19,419.03 and 8,765.76

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Solution

The fourth proportional to 14,075.34, 19,419.03 and 8,765.76 is: 12,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,075.34 : 19,419.03 = 8,765.76 : x
  2. Step 2: Convert to fraction form
    14,075.34/19,419.03 = 8,765.76/x
  3. Step 3: Cross multiply
    14,075.34x = 19,419.03 × 8,765.76
  4. Step 4: Simplify right side
    14,075.34x = 170,222,556.41
  5. Step 5: Solve for x
    x = 170,222,556.41/14,075.34
  6. Step 6: Final answer
    x = 12,093.67

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Double scale
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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.