Home / 16,812.53-23,176.40-10,761.89

Finding the Fourth Proportional to 16,812.53, 23,176.40 and 10,761.89

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Solution

The fourth proportional to 16,812.53, 23,176.40 and 10,761.89 is: 14,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.53 : 23,176.40 = 10,761.89 : x
  2. Step 2: Convert to fraction form
    16,812.53/23,176.40 = 10,761.89/x
  3. Step 3: Cross multiply
    16,812.53x = 23,176.40 × 10,761.89
  4. Step 4: Simplify right side
    16,812.53x = 249,421,788.51
  5. Step 5: Solve for x
    x = 249,421,788.51/16,812.53
  6. Step 6: Final answer
    x = 14,835.47

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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.