Home / 15,403.03-21,259.58-10,016.10

Finding the Fourth Proportional to 15,403.03, 21,259.58 and 10,016.10

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Solution

The fourth proportional to 15,403.03, 21,259.58 and 10,016.10 is: 13,824.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.03 : 21,259.58 = 10,016.10 : x
  2. Step 2: Convert to fraction form
    15,403.03/21,259.58 = 10,016.10/x
  3. Step 3: Cross multiply
    15,403.03x = 21,259.58 × 10,016.10
  4. Step 4: Simplify right side
    15,403.03x = 212,937,922.86
  5. Step 5: Solve for x
    x = 212,937,922.86/15,403.03
  6. Step 6: Final answer
    x = 13,824.42

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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.