Home / 18,159.72-27,225.74-9,389.04

Finding the Fourth Proportional to 18,159.72, 27,225.74 and 9,389.04

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Solution

The fourth proportional to 18,159.72, 27,225.74 and 9,389.04 is: 14,076.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.72 : 27,225.74 = 9,389.04 : x
  2. Step 2: Convert to fraction form
    18,159.72/27,225.74 = 9,389.04/x
  3. Step 3: Cross multiply
    18,159.72x = 27,225.74 × 9,389.04
  4. Step 4: Simplify right side
    18,159.72x = 255,623,561.89
  5. Step 5: Solve for x
    x = 255,623,561.89/18,159.72
  6. Step 6: Final answer
    x = 14,076.40

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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.