Home / 20,697.53-31,036.95-5,902.93

Finding the Fourth Proportional to 20,697.53, 31,036.95 and 5,902.93

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Solution

The fourth proportional to 20,697.53, 31,036.95 and 5,902.93 is: 8,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697.53 : 31,036.95 = 5,902.93 : x
  2. Step 2: Convert to fraction form
    20,697.53/31,036.95 = 5,902.93/x
  3. Step 3: Cross multiply
    20,697.53x = 31,036.95 × 5,902.93
  4. Step 4: Simplify right side
    20,697.53x = 183,208,790.87
  5. Step 5: Solve for x
    x = 183,208,790.87/20,697.53
  6. Step 6: Final answer
    x = 8,851.72

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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.