Home / 19,357.86-26,721.98-16,389.07

Finding the Fourth Proportional to 19,357.86, 26,721.98 and 16,389.07

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Solution

The fourth proportional to 19,357.86, 26,721.98 and 16,389.07 is: 22,623.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.86 : 26,721.98 = 16,389.07 : x
  2. Step 2: Convert to fraction form
    19,357.86/26,721.98 = 16,389.07/x
  3. Step 3: Cross multiply
    19,357.86x = 26,721.98 × 16,389.07
  4. Step 4: Simplify right side
    19,357.86x = 437,948,400.76
  5. Step 5: Solve for x
    x = 437,948,400.76/19,357.86
  6. Step 6: Final answer
    x = 22,623.80

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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.