Home / 13,267.68-19,815.69-10,497.48

Finding the Fourth Proportional to 13,267.68, 19,815.69 and 10,497.48

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Solution

The fourth proportional to 13,267.68, 19,815.69 and 10,497.48 is: 15,678.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.68 : 19,815.69 = 10,497.48 : x
  2. Step 2: Convert to fraction form
    13,267.68/19,815.69 = 10,497.48/x
  3. Step 3: Cross multiply
    13,267.68x = 19,815.69 × 10,497.48
  4. Step 4: Simplify right side
    13,267.68x = 208,014,809.46
  5. Step 5: Solve for x
    x = 208,014,809.46/13,267.68
  6. Step 6: Final answer
    x = 15,678.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.