Home / 19,109.51-26,370.24-10,612.18

Finding the Fourth Proportional to 19,109.51, 26,370.24 and 10,612.18

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Solution

The fourth proportional to 19,109.51, 26,370.24 and 10,612.18 is: 14,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.51 : 26,370.24 = 10,612.18 : x
  2. Step 2: Convert to fraction form
    19,109.51/26,370.24 = 10,612.18/x
  3. Step 3: Cross multiply
    19,109.51x = 26,370.24 × 10,612.18
  4. Step 4: Simplify right side
    19,109.51x = 279,845,638.05
  5. Step 5: Solve for x
    x = 279,845,638.05/19,109.51
  6. Step 6: Final answer
    x = 14,644.31

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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.