Home / 19,240.10-28,819.66-9,851.60

Finding the Fourth Proportional to 19,240.10, 28,819.66 and 9,851.60

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Solution

The fourth proportional to 19,240.10, 28,819.66 and 9,851.60 is: 14,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.10 : 28,819.66 = 9,851.60 : x
  2. Step 2: Convert to fraction form
    19,240.10/28,819.66 = 9,851.60/x
  3. Step 3: Cross multiply
    19,240.10x = 28,819.66 × 9,851.60
  4. Step 4: Simplify right side
    19,240.10x = 283,919,762.46
  5. Step 5: Solve for x
    x = 283,919,762.46/19,240.10
  6. Step 6: Final answer
    x = 14,756.67

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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.