Home / 19,005.03-26,227.80-10,621.53

Finding the Fourth Proportional to 19,005.03, 26,227.80 and 10,621.53

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Solution

The fourth proportional to 19,005.03, 26,227.80 and 10,621.53 is: 14,658.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.03 : 26,227.80 = 10,621.53 : x
  2. Step 2: Convert to fraction form
    19,005.03/26,227.80 = 10,621.53/x
  3. Step 3: Cross multiply
    19,005.03x = 26,227.80 × 10,621.53
  4. Step 4: Simplify right side
    19,005.03x = 278,579,364.53
  5. Step 5: Solve for x
    x = 278,579,364.53/19,005.03
  6. Step 6: Final answer
    x = 14,658.19

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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.