Home / 19,477.90-26,883-18,590.46

Finding the Fourth Proportional to 19,477.90, 26,883 and 18,590.46

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Solution

The fourth proportional to 19,477.90, 26,883 and 18,590.46 is: 25,658.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,477.90 : 26,883 = 18,590.46 : x
  2. Step 2: Convert to fraction form
    19,477.90/26,883 = 18,590.46/x
  3. Step 3: Cross multiply
    19,477.90x = 26,883 × 18,590.46
  4. Step 4: Simplify right side
    19,477.90x = 499,767,336.18
  5. Step 5: Solve for x
    x = 499,767,336.18/19,477.90
  6. Step 6: Final answer
    x = 25,658.17

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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.