Home / 15,955.20-22,014.48-9,666.24

Finding the Fourth Proportional to 15,955.20, 22,014.48 and 9,666.24

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Solution

The fourth proportional to 15,955.20, 22,014.48 and 9,666.24 is: 13,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.20 : 22,014.48 = 9,666.24 : x
  2. Step 2: Convert to fraction form
    15,955.20/22,014.48 = 9,666.24/x
  3. Step 3: Cross multiply
    15,955.20x = 22,014.48 × 9,666.24
  4. Step 4: Simplify right side
    15,955.20x = 212,797,247.16
  5. Step 5: Solve for x
    x = 212,797,247.16/15,955.20
  6. Step 6: Final answer
    x = 13,337.17

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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.