Home / 18,804.29-25,934.96-15,981.00

Finding the Fourth Proportional to 18,804.29, 25,934.96 and 15,981.00

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Solution

The fourth proportional to 18,804.29, 25,934.96 and 15,981.00 is: 22,041.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,804.29 : 25,934.96 = 15,981.00 : x
  2. Step 2: Convert to fraction form
    18,804.29/25,934.96 = 15,981.00/x
  3. Step 3: Cross multiply
    18,804.29x = 25,934.96 × 15,981.00
  4. Step 4: Simplify right side
    18,804.29x = 414,466,762.93
  5. Step 5: Solve for x
    x = 414,466,762.93/18,804.29
  6. Step 6: Final answer
    x = 22,041.08

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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.