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Finding the Fourth Proportional to 14,862.51, 20,510.46 and 9,559.08

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Solution

The fourth proportional to 14,862.51, 20,510.46 and 9,559.08 is: 13,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,862.51 : 20,510.46 = 9,559.08 : x
  2. Step 2: Convert to fraction form
    14,862.51/20,510.46 = 9,559.08/x
  3. Step 3: Cross multiply
    14,862.51x = 20,510.46 × 9,559.08
  4. Step 4: Simplify right side
    14,862.51x = 196,061,127.98
  5. Step 5: Solve for x
    x = 196,061,127.98/14,862.51
  6. Step 6: Final answer
    x = 13,191.66

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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.