Home / 15,985.15-23,981.18-6,124.41

Finding the Fourth Proportional to 15,985.15, 23,981.18 and 6,124.41

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Solution

The fourth proportional to 15,985.15, 23,981.18 and 6,124.41 is: 9,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.15 : 23,981.18 = 6,124.41 : x
  2. Step 2: Convert to fraction form
    15,985.15/23,981.18 = 6,124.41/x
  3. Step 3: Cross multiply
    15,985.15x = 23,981.18 × 6,124.41
  4. Step 4: Simplify right side
    15,985.15x = 146,870,547.98
  5. Step 5: Solve for x
    x = 146,870,547.98/15,985.15
  6. Step 6: Final answer
    x = 9,187.94

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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.