Home / 22,165.60-30,526.32-21,681.76

Finding the Fourth Proportional to 22,165.60, 30,526.32 and 21,681.76

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Solution

The fourth proportional to 22,165.60, 30,526.32 and 21,681.76 is: 29,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,165.60 : 30,526.32 = 21,681.76 : x
  2. Step 2: Convert to fraction form
    22,165.60/30,526.32 = 21,681.76/x
  3. Step 3: Cross multiply
    22,165.60x = 30,526.32 × 21,681.76
  4. Step 4: Simplify right side
    22,165.60x = 661,864,343.92
  5. Step 5: Solve for x
    x = 661,864,343.92/22,165.60
  6. Step 6: Final answer
    x = 29,859.98

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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.