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Finding the Fourth Proportional to 18,909.63, 26,095.50 and 10,526.13

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Solution

The fourth proportional to 18,909.63, 26,095.50 and 10,526.13 is: 14,526.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909.63 : 26,095.50 = 10,526.13 : x
  2. Step 2: Convert to fraction form
    18,909.63/26,095.50 = 10,526.13/x
  3. Step 3: Cross multiply
    18,909.63x = 26,095.50 × 10,526.13
  4. Step 4: Simplify right side
    18,909.63x = 274,684,625.42
  5. Step 5: Solve for x
    x = 274,684,625.42/18,909.63
  6. Step 6: Final answer
    x = 14,526.18

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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.