Home / 28,093.04-38,775.48-18,528.56

Finding the Fourth Proportional to 28,093.04, 38,775.48 and 18,528.56

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Solution

The fourth proportional to 28,093.04, 38,775.48 and 18,528.56 is: 25,574.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,093.04 : 38,775.48 = 18,528.56 : x
  2. Step 2: Convert to fraction form
    28,093.04/38,775.48 = 18,528.56/x
  3. Step 3: Cross multiply
    28,093.04x = 38,775.48 × 18,528.56
  4. Step 4: Simplify right side
    28,093.04x = 718,453,807.71
  5. Step 5: Solve for x
    x = 718,453,807.71/28,093.04
  6. Step 6: Final answer
    x = 25,574.09

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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.