Home / 18,065.03-27,062.48-13,312.57

Finding the Fourth Proportional to 18,065.03, 27,062.48 and 13,312.57

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Solution

The fourth proportional to 18,065.03, 27,062.48 and 13,312.57 is: 19,943.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.03 : 27,062.48 = 13,312.57 : x
  2. Step 2: Convert to fraction form
    18,065.03/27,062.48 = 13,312.57/x
  3. Step 3: Cross multiply
    18,065.03x = 27,062.48 × 13,312.57
  4. Step 4: Simplify right side
    18,065.03x = 360,271,125.00
  5. Step 5: Solve for x
    x = 360,271,125.00/18,065.03
  6. Step 6: Final answer
    x = 19,943.01

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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.