Home / 21,433.36-32,159.26-11,570.68

Finding the Fourth Proportional to 21,433.36, 32,159.26 and 11,570.68

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Solution

The fourth proportional to 21,433.36, 32,159.26 and 11,570.68 is: 17,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.36 : 32,159.26 = 11,570.68 : x
  2. Step 2: Convert to fraction form
    21,433.36/32,159.26 = 11,570.68/x
  3. Step 3: Cross multiply
    21,433.36x = 32,159.26 × 11,570.68
  4. Step 4: Simplify right side
    21,433.36x = 372,104,506.50
  5. Step 5: Solve for x
    x = 372,104,506.50/21,433.36
  6. Step 6: Final answer
    x = 17,361.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.