Home / 19,382.34-26,748.12-10,885.14

Finding the Fourth Proportional to 19,382.34, 26,748.12 and 10,885.14

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Solution

The fourth proportional to 19,382.34, 26,748.12 and 10,885.14 is: 15,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.34 : 26,748.12 = 10,885.14 : x
  2. Step 2: Convert to fraction form
    19,382.34/26,748.12 = 10,885.14/x
  3. Step 3: Cross multiply
    19,382.34x = 26,748.12 × 10,885.14
  4. Step 4: Simplify right side
    19,382.34x = 291,157,030.94
  5. Step 5: Solve for x
    x = 291,157,030.94/19,382.34
  6. Step 6: Final answer
    x = 15,021.77

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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.