Home / 20,526.39-30,804.57-19,301.67

Finding the Fourth Proportional to 20,526.39, 30,804.57 and 19,301.67

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Solution

The fourth proportional to 20,526.39, 30,804.57 and 19,301.67 is: 28,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.39 : 30,804.57 = 19,301.67 : x
  2. Step 2: Convert to fraction form
    20,526.39/30,804.57 = 19,301.67/x
  3. Step 3: Cross multiply
    20,526.39x = 30,804.57 × 19,301.67
  4. Step 4: Simplify right side
    20,526.39x = 594,579,644.63
  5. Step 5: Solve for x
    x = 594,579,644.63/20,526.39
  6. Step 6: Final answer
    x = 28,966.60

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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.