Home / 13,159.64-18,153.95-9,569.03

Finding the Fourth Proportional to 13,159.64, 18,153.95 and 9,569.03

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Solution

The fourth proportional to 13,159.64, 18,153.95 and 9,569.03 is: 13,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.64 : 18,153.95 = 9,569.03 : x
  2. Step 2: Convert to fraction form
    13,159.64/18,153.95 = 9,569.03/x
  3. Step 3: Cross multiply
    13,159.64x = 18,153.95 × 9,569.03
  4. Step 4: Simplify right side
    13,159.64x = 173,715,553.55
  5. Step 5: Solve for x
    x = 173,715,553.55/13,159.64
  6. Step 6: Final answer
    x = 13,200.64

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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.