Home / 27,526.95-37,989.69-16,920.81

Finding the Fourth Proportional to 27,526.95, 37,989.69 and 16,920.81

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Solution

The fourth proportional to 27,526.95, 37,989.69 and 16,920.81 is: 23,352.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,526.95 : 37,989.69 = 16,920.81 : x
  2. Step 2: Convert to fraction form
    27,526.95/37,989.69 = 16,920.81/x
  3. Step 3: Cross multiply
    27,526.95x = 37,989.69 × 16,920.81
  4. Step 4: Simplify right side
    27,526.95x = 642,816,326.45
  5. Step 5: Solve for x
    x = 642,816,326.45/27,526.95
  6. Step 6: Final answer
    x = 23,352.25

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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.