Home / 18,925.71-28,389.84-5,598.51

Finding the Fourth Proportional to 18,925.71, 28,389.84 and 5,598.51

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Solution

The fourth proportional to 18,925.71, 28,389.84 and 5,598.51 is: 8,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,925.71 : 28,389.84 = 5,598.51 : x
  2. Step 2: Convert to fraction form
    18,925.71/28,389.84 = 5,598.51/x
  3. Step 3: Cross multiply
    18,925.71x = 28,389.84 × 5,598.51
  4. Step 4: Simplify right side
    18,925.71x = 158,940,803.14
  5. Step 5: Solve for x
    x = 158,940,803.14/18,925.71
  6. Step 6: Final answer
    x = 8,398.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.