Home / 19,038.38-26,273.33-11,389.53

Finding the Fourth Proportional to 19,038.38, 26,273.33 and 11,389.53

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Solution

The fourth proportional to 19,038.38, 26,273.33 and 11,389.53 is: 15,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038.38 : 26,273.33 = 11,389.53 : x
  2. Step 2: Convert to fraction form
    19,038.38/26,273.33 = 11,389.53/x
  3. Step 3: Cross multiply
    19,038.38x = 26,273.33 × 11,389.53
  4. Step 4: Simplify right side
    19,038.38x = 299,240,834.34
  5. Step 5: Solve for x
    x = 299,240,834.34/19,038.38
  6. Step 6: Final answer
    x = 15,717.77

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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.