Home / 25,820.71-35,623.45-16,873.40

Finding the Fourth Proportional to 25,820.71, 35,623.45 and 16,873.40

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Solution

The fourth proportional to 25,820.71, 35,623.45 and 16,873.40 is: 23,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,820.71 : 35,623.45 = 16,873.40 : x
  2. Step 2: Convert to fraction form
    25,820.71/35,623.45 = 16,873.40/x
  3. Step 3: Cross multiply
    25,820.71x = 35,623.45 × 16,873.40
  4. Step 4: Simplify right side
    25,820.71x = 601,088,686.37
  5. Step 5: Solve for x
    x = 601,088,686.37/25,820.71
  6. Step 6: Final answer
    x = 23,279.32

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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.