Home / 19,381.48-26,746.09-10,883.68

Finding the Fourth Proportional to 19,381.48, 26,746.09 and 10,883.68

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Solution

The fourth proportional to 19,381.48, 26,746.09 and 10,883.68 is: 15,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,381.48 : 26,746.09 = 10,883.68 : x
  2. Step 2: Convert to fraction form
    19,381.48/26,746.09 = 10,883.68/x
  3. Step 3: Cross multiply
    19,381.48x = 26,746.09 × 10,883.68
  4. Step 4: Simplify right side
    19,381.48x = 291,095,790.74
  5. Step 5: Solve for x
    x = 291,095,790.74/19,381.48
  6. Step 6: Final answer
    x = 15,019.28

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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.