Home / 22,547.41-31,127.85-16,880.12

Finding the Fourth Proportional to 22,547.41, 31,127.85 and 16,880.12

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Solution

The fourth proportional to 22,547.41, 31,127.85 and 16,880.12 is: 23,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,547.41 : 31,127.85 = 16,880.12 : x
  2. Step 2: Convert to fraction form
    22,547.41/31,127.85 = 16,880.12/x
  3. Step 3: Cross multiply
    22,547.41x = 31,127.85 × 16,880.12
  4. Step 4: Simplify right side
    22,547.41x = 525,441,843.34
  5. Step 5: Solve for x
    x = 525,441,843.34/22,547.41
  6. Step 6: Final answer
    x = 23,303.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.