Home / 26,938.48-37,172.64-19,868.80

Finding the Fourth Proportional to 26,938.48, 37,172.64 and 19,868.80

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Solution

The fourth proportional to 26,938.48, 37,172.64 and 19,868.80 is: 27,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,938.48 : 37,172.64 = 19,868.80 : x
  2. Step 2: Convert to fraction form
    26,938.48/37,172.64 = 19,868.80/x
  3. Step 3: Cross multiply
    26,938.48x = 37,172.64 × 19,868.80
  4. Step 4: Simplify right side
    26,938.48x = 738,575,749.63
  5. Step 5: Solve for x
    x = 738,575,749.63/26,938.48
  6. Step 6: Final answer
    x = 27,417.13

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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.