Home / 19,861.10-27,407.23-10,907.16

Finding the Fourth Proportional to 19,861.10, 27,407.23 and 10,907.16

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Solution

The fourth proportional to 19,861.10, 27,407.23 and 10,907.16 is: 15,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.10 : 27,407.23 = 10,907.16 : x
  2. Step 2: Convert to fraction form
    19,861.10/27,407.23 = 10,907.16/x
  3. Step 3: Cross multiply
    19,861.10x = 27,407.23 × 10,907.16
  4. Step 4: Simplify right side
    19,861.10x = 298,934,851.19
  5. Step 5: Solve for x
    x = 298,934,851.19/19,861.10
  6. Step 6: Final answer
    x = 15,051.28

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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.