Home / 15,128.17-22,692.30-5,265.10

Finding the Fourth Proportional to 15,128.17, 22,692.30 and 5,265.10

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Solution

The fourth proportional to 15,128.17, 22,692.30 and 5,265.10 is: 7,897.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.17 : 22,692.30 = 5,265.10 : x
  2. Step 2: Convert to fraction form
    15,128.17/22,692.30 = 5,265.10/x
  3. Step 3: Cross multiply
    15,128.17x = 22,692.30 × 5,265.10
  4. Step 4: Simplify right side
    15,128.17x = 119,477,228.73
  5. Step 5: Solve for x
    x = 119,477,228.73/15,128.17
  6. Step 6: Final answer
    x = 7,897.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.