Home / 27,566.70-38,041.95-14,991.45

Finding the Fourth Proportional to 27,566.70, 38,041.95 and 14,991.45

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Solution

The fourth proportional to 27,566.70, 38,041.95 and 14,991.45 is: 20,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,566.70 : 38,041.95 = 14,991.45 : x
  2. Step 2: Convert to fraction form
    27,566.70/38,041.95 = 14,991.45/x
  3. Step 3: Cross multiply
    27,566.70x = 38,041.95 × 14,991.45
  4. Step 4: Simplify right side
    27,566.70x = 570,303,991.33
  5. Step 5: Solve for x
    x = 570,303,991.33/27,566.70
  6. Step 6: Final answer
    x = 20,688.15

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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.