Home / 26,085.90-39,111.56-9,443.76

Finding the Fourth Proportional to 26,085.90, 39,111.56 and 9,443.76

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Solution

The fourth proportional to 26,085.90, 39,111.56 and 9,443.76 is: 14,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,085.90 : 39,111.56 = 9,443.76 : x
  2. Step 2: Convert to fraction form
    26,085.90/39,111.56 = 9,443.76/x
  3. Step 3: Cross multiply
    26,085.90x = 39,111.56 × 9,443.76
  4. Step 4: Simplify right side
    26,085.90x = 369,360,185.87
  5. Step 5: Solve for x
    x = 369,360,185.87/26,085.90
  6. Step 6: Final answer
    x = 14,159.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.