Home / 19,123.06-26,390.14-10,739.38

Finding the Fourth Proportional to 19,123.06, 26,390.14 and 10,739.38

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Solution

The fourth proportional to 19,123.06, 26,390.14 and 10,739.38 is: 14,820.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.06 : 26,390.14 = 10,739.38 : x
  2. Step 2: Convert to fraction form
    19,123.06/26,390.14 = 10,739.38/x
  3. Step 3: Cross multiply
    19,123.06x = 26,390.14 × 10,739.38
  4. Step 4: Simplify right side
    19,123.06x = 283,413,741.71
  5. Step 5: Solve for x
    x = 283,413,741.71/19,123.06
  6. Step 6: Final answer
    x = 14,820.52

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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.