Home / 23,100.45-31,881.90-14,030.40

Finding the Fourth Proportional to 23,100.45, 31,881.90 and 14,030.40

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Solution

The fourth proportional to 23,100.45, 31,881.90 and 14,030.40 is: 19,363.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100.45 : 31,881.90 = 14,030.40 : x
  2. Step 2: Convert to fraction form
    23,100.45/31,881.90 = 14,030.40/x
  3. Step 3: Cross multiply
    23,100.45x = 31,881.90 × 14,030.40
  4. Step 4: Simplify right side
    23,100.45x = 447,315,937.10
  5. Step 5: Solve for x
    x = 447,315,937.10/23,100.45
  6. Step 6: Final answer
    x = 19,363.95

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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.