Home / 20,047.15-27,668.00-11,547.62

Finding the Fourth Proportional to 20,047.15, 27,668.00 and 11,547.62

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Solution

The fourth proportional to 20,047.15, 27,668.00 and 11,547.62 is: 15,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,047.15 : 27,668.00 = 11,547.62 : x
  2. Step 2: Convert to fraction form
    20,047.15/27,668.00 = 11,547.62/x
  3. Step 3: Cross multiply
    20,047.15x = 27,668.00 × 11,547.62
  4. Step 4: Simplify right side
    20,047.15x = 319,499,492.42
  5. Step 5: Solve for x
    x = 319,499,492.42/20,047.15
  6. Step 6: Final answer
    x = 15,937.40

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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.