Home / 19,220.90-26,524.80-10,837.40

Finding the Fourth Proportional to 19,220.90, 26,524.80 and 10,837.40

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Solution

The fourth proportional to 19,220.90, 26,524.80 and 10,837.40 is: 14,955.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,220.90 : 26,524.80 = 10,837.40 : x
  2. Step 2: Convert to fraction form
    19,220.90/26,524.80 = 10,837.40/x
  3. Step 3: Cross multiply
    19,220.90x = 26,524.80 × 10,837.40
  4. Step 4: Simplify right side
    19,220.90x = 287,459,867.52
  5. Step 5: Solve for x
    x = 287,459,867.52/19,220.90
  6. Step 6: Final answer
    x = 14,955.59

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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.