Home / 16,886.89-23,303.94-10,172.80

Finding the Fourth Proportional to 16,886.89, 23,303.94 and 10,172.80

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Solution

The fourth proportional to 16,886.89, 23,303.94 and 10,172.80 is: 14,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,886.89 : 23,303.94 = 10,172.80 : x
  2. Step 2: Convert to fraction form
    16,886.89/23,303.94 = 10,172.80/x
  3. Step 3: Cross multiply
    16,886.89x = 23,303.94 × 10,172.80
  4. Step 4: Simplify right side
    16,886.89x = 237,066,311.81
  5. Step 5: Solve for x
    x = 237,066,311.81/16,886.89
  6. Step 6: Final answer
    x = 14,038.48

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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.