Home / 19,941.13-27,519.99-10,988.63

Finding the Fourth Proportional to 19,941.13, 27,519.99 and 10,988.63

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Solution

The fourth proportional to 19,941.13, 27,519.99 and 10,988.63 is: 15,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.13 : 27,519.99 = 10,988.63 : x
  2. Step 2: Convert to fraction form
    19,941.13/27,519.99 = 10,988.63/x
  3. Step 3: Cross multiply
    19,941.13x = 27,519.99 × 10,988.63
  4. Step 4: Simplify right side
    19,941.13x = 302,406,932.77
  5. Step 5: Solve for x
    x = 302,406,932.77/19,941.13
  6. Step 6: Final answer
    x = 15,164.98

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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.