Home / 21,526.47-29,707.79-12,095.64

Finding the Fourth Proportional to 21,526.47, 29,707.79 and 12,095.64

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Solution

The fourth proportional to 21,526.47, 29,707.79 and 12,095.64 is: 16,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.47 : 29,707.79 = 12,095.64 : x
  2. Step 2: Convert to fraction form
    21,526.47/29,707.79 = 12,095.64/x
  3. Step 3: Cross multiply
    21,526.47x = 29,707.79 × 12,095.64
  4. Step 4: Simplify right side
    21,526.47x = 359,334,672.56
  5. Step 5: Solve for x
    x = 359,334,672.56/21,526.47
  6. Step 6: Final answer
    x = 16,692.69

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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.