Home / 22,041.77-30,417.55-11,970.13

Finding the Fourth Proportional to 22,041.77, 30,417.55 and 11,970.13

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Solution

The fourth proportional to 22,041.77, 30,417.55 and 11,970.13 is: 16,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,041.77 : 30,417.55 = 11,970.13 : x
  2. Step 2: Convert to fraction form
    22,041.77/30,417.55 = 11,970.13/x
  3. Step 3: Cross multiply
    22,041.77x = 30,417.55 × 11,970.13
  4. Step 4: Simplify right side
    22,041.77x = 364,101,921.81
  5. Step 5: Solve for x
    x = 364,101,921.81/22,041.77
  6. Step 6: Final answer
    x = 16,518.73

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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.