Home / 19,520.10-26,933.04-11,564.28

Finding the Fourth Proportional to 19,520.10, 26,933.04 and 11,564.28

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Solution

The fourth proportional to 19,520.10, 26,933.04 and 11,564.28 is: 15,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.10 : 26,933.04 = 11,564.28 : x
  2. Step 2: Convert to fraction form
    19,520.10/26,933.04 = 11,564.28/x
  3. Step 3: Cross multiply
    19,520.10x = 26,933.04 × 11,564.28
  4. Step 4: Simplify right side
    19,520.10x = 311,461,215.81
  5. Step 5: Solve for x
    x = 311,461,215.81/19,520.10
  6. Step 6: Final answer
    x = 15,955.92

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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.