Home / 16,750.81-23,111.40-10,785.93

Finding the Fourth Proportional to 16,750.81, 23,111.40 and 10,785.93

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Solution

The fourth proportional to 16,750.81, 23,111.40 and 10,785.93 is: 14,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.81 : 23,111.40 = 10,785.93 : x
  2. Step 2: Convert to fraction form
    16,750.81/23,111.40 = 10,785.93/x
  3. Step 3: Cross multiply
    16,750.81x = 23,111.40 × 10,785.93
  4. Step 4: Simplify right side
    16,750.81x = 249,277,942.60
  5. Step 5: Solve for x
    x = 249,277,942.60/16,750.81
  6. Step 6: Final answer
    x = 14,881.55

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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.