Home / 25,307.10-37,956.80-8,663.32

Finding the Fourth Proportional to 25,307.10, 37,956.80 and 8,663.32

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Solution

The fourth proportional to 25,307.10, 37,956.80 and 8,663.32 is: 12,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,307.10 : 37,956.80 = 8,663.32 : x
  2. Step 2: Convert to fraction form
    25,307.10/37,956.80 = 8,663.32/x
  3. Step 3: Cross multiply
    25,307.10x = 37,956.80 × 8,663.32
  4. Step 4: Simplify right side
    25,307.10x = 328,831,904.58
  5. Step 5: Solve for x
    x = 328,831,904.58/25,307.10
  6. Step 6: Final answer
    x = 12,993.66

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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.