Home / 19,292.10-26,648.10-13,313.22

Finding the Fourth Proportional to 19,292.10, 26,648.10 and 13,313.22

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Solution

The fourth proportional to 19,292.10, 26,648.10 and 13,313.22 is: 18,389.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,292.10 : 26,648.10 = 13,313.22 : x
  2. Step 2: Convert to fraction form
    19,292.10/26,648.10 = 13,313.22/x
  3. Step 3: Cross multiply
    19,292.10x = 26,648.10 × 13,313.22
  4. Step 4: Simplify right side
    19,292.10x = 354,772,017.88
  5. Step 5: Solve for x
    x = 354,772,017.88/19,292.10
  6. Step 6: Final answer
    x = 18,389.50

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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.