Home / 23,316.69-34,985.37-12,220.74

Finding the Fourth Proportional to 23,316.69, 34,985.37 and 12,220.74

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Solution

The fourth proportional to 23,316.69, 34,985.37 and 12,220.74 is: 18,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,316.69 : 34,985.37 = 12,220.74 : x
  2. Step 2: Convert to fraction form
    23,316.69/34,985.37 = 12,220.74/x
  3. Step 3: Cross multiply
    23,316.69x = 34,985.37 × 12,220.74
  4. Step 4: Simplify right side
    23,316.69x = 427,547,110.57
  5. Step 5: Solve for x
    x = 427,547,110.57/23,316.69
  6. Step 6: Final answer
    x = 18,336.53

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1.5x scale

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.