Home / 27,315.63-37,686.76-16,564.81

Finding the Fourth Proportional to 27,315.63, 37,686.76 and 16,564.81

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Solution

The fourth proportional to 27,315.63, 37,686.76 and 16,564.81 is: 22,854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.63 : 37,686.76 = 16,564.81 : x
  2. Step 2: Convert to fraction form
    27,315.63/37,686.76 = 16,564.81/x
  3. Step 3: Cross multiply
    27,315.63x = 37,686.76 × 16,564.81
  4. Step 4: Simplify right side
    27,315.63x = 624,274,018.92
  5. Step 5: Solve for x
    x = 624,274,018.92/27,315.63
  6. Step 6: Final answer
    x = 22,854.10

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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.