Home / 13,798.04-19,039.97-7,746.89

Finding the Fourth Proportional to 13,798.04, 19,039.97 and 7,746.89

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Solution

The fourth proportional to 13,798.04, 19,039.97 and 7,746.89 is: 10,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.04 : 19,039.97 = 7,746.89 : x
  2. Step 2: Convert to fraction form
    13,798.04/19,039.97 = 7,746.89/x
  3. Step 3: Cross multiply
    13,798.04x = 19,039.97 × 7,746.89
  4. Step 4: Simplify right side
    13,798.04x = 147,500,419.26
  5. Step 5: Solve for x
    x = 147,500,419.26/13,798.04
  6. Step 6: Final answer
    x = 10,689.96

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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.