Home / 22,343.51-30,828.54-12,653.13

Finding the Fourth Proportional to 22,343.51, 30,828.54 and 12,653.13

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Solution

The fourth proportional to 22,343.51, 30,828.54 and 12,653.13 is: 17,458.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.51 : 30,828.54 = 12,653.13 : x
  2. Step 2: Convert to fraction form
    22,343.51/30,828.54 = 12,653.13/x
  3. Step 3: Cross multiply
    22,343.51x = 30,828.54 × 12,653.13
  4. Step 4: Simplify right side
    22,343.51x = 390,077,524.33
  5. Step 5: Solve for x
    x = 390,077,524.33/22,343.51
  6. Step 6: Final answer
    x = 17,458.21

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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.