Home / 44,319.21-66,478.75-13,154.46

Finding the Fourth Proportional to 44,319.21, 66,478.75 and 13,154.46

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Solution

The fourth proportional to 44,319.21, 66,478.75 and 13,154.46 is: 19,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,319.21 : 66,478.75 = 13,154.46 : x
  2. Step 2: Convert to fraction form
    44,319.21/66,478.75 = 13,154.46/x
  3. Step 3: Cross multiply
    44,319.21x = 66,478.75 × 13,154.46
  4. Step 4: Simplify right side
    44,319.21x = 874,492,057.73
  5. Step 5: Solve for x
    x = 874,492,057.73/44,319.21
  6. Step 6: Final answer
    x = 19,731.67

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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.