Home / 12,036.36-18,090.18-11,709.12

Finding the Fourth Proportional to 12,036.36, 18,090.18 and 11,709.12

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Solution

The fourth proportional to 12,036.36, 18,090.18 and 11,709.12 is: 17,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,036.36 : 18,090.18 = 11,709.12 : x
  2. Step 2: Convert to fraction form
    12,036.36/18,090.18 = 11,709.12/x
  3. Step 3: Cross multiply
    12,036.36x = 18,090.18 × 11,709.12
  4. Step 4: Simplify right side
    12,036.36x = 211,820,088.44
  5. Step 5: Solve for x
    x = 211,820,088.44/12,036.36
  6. Step 6: Final answer
    x = 17,598.35

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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.