Home / 20,196.48-27,875.44-11,700.08

Finding the Fourth Proportional to 20,196.48, 27,875.44 and 11,700.08

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Solution

The fourth proportional to 20,196.48, 27,875.44 and 11,700.08 is: 16,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.48 : 27,875.44 = 11,700.08 : x
  2. Step 2: Convert to fraction form
    20,196.48/27,875.44 = 11,700.08/x
  3. Step 3: Cross multiply
    20,196.48x = 27,875.44 × 11,700.08
  4. Step 4: Simplify right side
    20,196.48x = 326,144,878.04
  5. Step 5: Solve for x
    x = 326,144,878.04/20,196.48
  6. Step 6: Final answer
    x = 16,148.60

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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.