Home / 19,326.56-26,670.40-10,828.53

Finding the Fourth Proportional to 19,326.56, 26,670.40 and 10,828.53

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Solution

The fourth proportional to 19,326.56, 26,670.40 and 10,828.53 is: 14,943.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.56 : 26,670.40 = 10,828.53 : x
  2. Step 2: Convert to fraction form
    19,326.56/26,670.40 = 10,828.53/x
  3. Step 3: Cross multiply
    19,326.56x = 26,670.40 × 10,828.53
  4. Step 4: Simplify right side
    19,326.56x = 288,801,199.44
  5. Step 5: Solve for x
    x = 288,801,199.44/19,326.56
  6. Step 6: Final answer
    x = 14,943.23

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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.