Home / 15,985.74-23,956.68-10,146.45

Finding the Fourth Proportional to 15,985.74, 23,956.68 and 10,146.45

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Solution

The fourth proportional to 15,985.74, 23,956.68 and 10,146.45 is: 15,205.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.74 : 23,956.68 = 10,146.45 : x
  2. Step 2: Convert to fraction form
    15,985.74/23,956.68 = 10,146.45/x
  3. Step 3: Cross multiply
    15,985.74x = 23,956.68 × 10,146.45
  4. Step 4: Simplify right side
    15,985.74x = 243,075,255.79
  5. Step 5: Solve for x
    x = 243,075,255.79/15,985.74
  6. Step 6: Final answer
    x = 15,205.76

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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.