Home / 16,750.80-23,113.05-10,781.10

Finding the Fourth Proportional to 16,750.80, 23,113.05 and 10,781.10

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Solution

The fourth proportional to 16,750.80, 23,113.05 and 10,781.10 is: 14,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.80 : 23,113.05 = 10,781.10 : x
  2. Step 2: Convert to fraction form
    16,750.80/23,113.05 = 10,781.10/x
  3. Step 3: Cross multiply
    16,750.80x = 23,113.05 × 10,781.10
  4. Step 4: Simplify right side
    16,750.80x = 249,184,103.36
  5. Step 5: Solve for x
    x = 249,184,103.36/16,750.80
  6. Step 6: Final answer
    x = 14,875.95

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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.