Home / 13,790.56-19,030.92-7,503.04

Finding the Fourth Proportional to 13,790.56, 19,030.92 and 7,503.04

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Solution

The fourth proportional to 13,790.56, 19,030.92 and 7,503.04 is: 10,354.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790.56 : 19,030.92 = 7,503.04 : x
  2. Step 2: Convert to fraction form
    13,790.56/19,030.92 = 7,503.04/x
  3. Step 3: Cross multiply
    13,790.56x = 19,030.92 × 7,503.04
  4. Step 4: Simplify right side
    13,790.56x = 142,789,754.00
  5. Step 5: Solve for x
    x = 142,789,754.00/13,790.56
  6. Step 6: Final answer
    x = 10,354.17

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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.