Home / 37,070.65-55,603.20-13,378.19

Finding the Fourth Proportional to 37,070.65, 55,603.20 and 13,378.19

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Solution

The fourth proportional to 37,070.65, 55,603.20 and 13,378.19 is: 20,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070.65 : 55,603.20 = 13,378.19 : x
  2. Step 2: Convert to fraction form
    37,070.65/55,603.20 = 13,378.19/x
  3. Step 3: Cross multiply
    37,070.65x = 55,603.20 × 13,378.19
  4. Step 4: Simplify right side
    37,070.65x = 743,870,313.22
  5. Step 5: Solve for x
    x = 743,870,313.22/37,070.65
  6. Step 6: Final answer
    x = 20,066.29

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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.