Home / 18,920.63-26,111.27-10,537.13

Finding the Fourth Proportional to 18,920.63, 26,111.27 and 10,537.13

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Solution

The fourth proportional to 18,920.63, 26,111.27 and 10,537.13 is: 14,541.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,920.63 : 26,111.27 = 10,537.13 : x
  2. Step 2: Convert to fraction form
    18,920.63/26,111.27 = 10,537.13/x
  3. Step 3: Cross multiply
    18,920.63x = 26,111.27 × 10,537.13
  4. Step 4: Simplify right side
    18,920.63x = 275,137,742.24
  5. Step 5: Solve for x
    x = 275,137,742.24/18,920.63
  6. Step 6: Final answer
    x = 14,541.68

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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.