Home / 18,465.03-27,705.63-9,697.89

Finding the Fourth Proportional to 18,465.03, 27,705.63 and 9,697.89

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Solution

The fourth proportional to 18,465.03, 27,705.63 and 9,697.89 is: 14,551.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.03 : 27,705.63 = 9,697.89 : x
  2. Step 2: Convert to fraction form
    18,465.03/27,705.63 = 9,697.89/x
  3. Step 3: Cross multiply
    18,465.03x = 27,705.63 × 9,697.89
  4. Step 4: Simplify right side
    18,465.03x = 268,686,152.12
  5. Step 5: Solve for x
    x = 268,686,152.12/18,465.03
  6. Step 6: Final answer
    x = 14,551.08

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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.