Home / 13,740.44-18,970.30-10,547.62

Finding the Fourth Proportional to 13,740.44, 18,970.30 and 10,547.62

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Solution

The fourth proportional to 13,740.44, 18,970.30 and 10,547.62 is: 14,562.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.44 : 18,970.30 = 10,547.62 : x
  2. Step 2: Convert to fraction form
    13,740.44/18,970.30 = 10,547.62/x
  3. Step 3: Cross multiply
    13,740.44x = 18,970.30 × 10,547.62
  4. Step 4: Simplify right side
    13,740.44x = 200,091,481.44
  5. Step 5: Solve for x
    x = 200,091,481.44/13,740.44
  6. Step 6: Final answer
    x = 14,562.24

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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.