Home / 15,406.61-21,241.54-10,360.10

Finding the Fourth Proportional to 15,406.61, 21,241.54 and 10,360.10

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Solution

The fourth proportional to 15,406.61, 21,241.54 and 10,360.10 is: 14,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406.61 : 21,241.54 = 10,360.10 : x
  2. Step 2: Convert to fraction form
    15,406.61/21,241.54 = 10,360.10/x
  3. Step 3: Cross multiply
    15,406.61x = 21,241.54 × 10,360.10
  4. Step 4: Simplify right side
    15,406.61x = 220,064,544.61
  5. Step 5: Solve for x
    x = 220,064,544.61/15,406.61
  6. Step 6: Final answer
    x = 14,283.78

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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.