Home / 13,062.19-18,061.26-12,851.17

Finding the Fourth Proportional to 13,062.19, 18,061.26 and 12,851.17

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Solution

The fourth proportional to 13,062.19, 18,061.26 and 12,851.17 is: 17,769.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.19 : 18,061.26 = 12,851.17 : x
  2. Step 2: Convert to fraction form
    13,062.19/18,061.26 = 12,851.17/x
  3. Step 3: Cross multiply
    13,062.19x = 18,061.26 × 12,851.17
  4. Step 4: Simplify right side
    13,062.19x = 232,108,322.67
  5. Step 5: Solve for x
    x = 232,108,322.67/13,062.19
  6. Step 6: Final answer
    x = 17,769.48

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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.