Home / 13,305.28-19,948.69-7,069.67

Finding the Fourth Proportional to 13,305.28, 19,948.69 and 7,069.67

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Solution

The fourth proportional to 13,305.28, 19,948.69 and 7,069.67 is: 10,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305.28 : 19,948.69 = 7,069.67 : x
  2. Step 2: Convert to fraction form
    13,305.28/19,948.69 = 7,069.67/x
  3. Step 3: Cross multiply
    13,305.28x = 19,948.69 × 7,069.67
  4. Step 4: Simplify right side
    13,305.28x = 141,030,655.23
  5. Step 5: Solve for x
    x = 141,030,655.23/13,305.28
  6. Step 6: Final answer
    x = 10,599.60

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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.