Home / 13,966.02-19,272.60-7,678.26

Finding the Fourth Proportional to 13,966.02, 19,272.60 and 7,678.26

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Solution

The fourth proportional to 13,966.02, 19,272.60 and 7,678.26 is: 10,595.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.02 : 19,272.60 = 7,678.26 : x
  2. Step 2: Convert to fraction form
    13,966.02/19,272.60 = 7,678.26/x
  3. Step 3: Cross multiply
    13,966.02x = 19,272.60 × 7,678.26
  4. Step 4: Simplify right side
    13,966.02x = 147,980,033.68
  5. Step 5: Solve for x
    x = 147,980,033.68/13,966.02
  6. Step 6: Final answer
    x = 10,595.72

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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.