Home / 15,931.80-23,897.70-4,837.94

Finding the Fourth Proportional to 15,931.80, 23,897.70 and 4,837.94

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Solution

The fourth proportional to 15,931.80, 23,897.70 and 4,837.94 is: 7,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,931.80 : 23,897.70 = 4,837.94 : x
  2. Step 2: Convert to fraction form
    15,931.80/23,897.70 = 4,837.94/x
  3. Step 3: Cross multiply
    15,931.80x = 23,897.70 × 4,837.94
  4. Step 4: Simplify right side
    15,931.80x = 115,615,638.74
  5. Step 5: Solve for x
    x = 115,615,638.74/15,931.80
  6. Step 6: Final answer
    x = 7,256.91

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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.