Home / 25,003.63-37,515.80-10,956.40

Finding the Fourth Proportional to 25,003.63, 37,515.80 and 10,956.40

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Solution

The fourth proportional to 25,003.63, 37,515.80 and 10,956.40 is: 16,439.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,003.63 : 37,515.80 = 10,956.40 : x
  2. Step 2: Convert to fraction form
    25,003.63/37,515.80 = 10,956.40/x
  3. Step 3: Cross multiply
    25,003.63x = 37,515.80 × 10,956.40
  4. Step 4: Simplify right side
    25,003.63x = 411,038,111.12
  5. Step 5: Solve for x
    x = 411,038,111.12/25,003.63
  6. Step 6: Final answer
    x = 16,439.14

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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.