Home / 19,395.43-26,765.63-10,897.78

Finding the Fourth Proportional to 19,395.43, 26,765.63 and 10,897.78

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Solution

The fourth proportional to 19,395.43, 26,765.63 and 10,897.78 is: 15,038.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.43 : 26,765.63 = 10,897.78 : x
  2. Step 2: Convert to fraction form
    19,395.43/26,765.63 = 10,897.78/x
  3. Step 3: Cross multiply
    19,395.43x = 26,765.63 × 10,897.78
  4. Step 4: Simplify right side
    19,395.43x = 291,685,758.98
  5. Step 5: Solve for x
    x = 291,685,758.98/19,395.43
  6. Step 6: Final answer
    x = 15,038.89

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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.