Home / 14,875.17-20,528.22-8,161.35

Finding the Fourth Proportional to 14,875.17, 20,528.22 and 8,161.35

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Solution

The fourth proportional to 14,875.17, 20,528.22 and 8,161.35 is: 11,262.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.17 : 20,528.22 = 8,161.35 : x
  2. Step 2: Convert to fraction form
    14,875.17/20,528.22 = 8,161.35/x
  3. Step 3: Cross multiply
    14,875.17x = 20,528.22 × 8,161.35
  4. Step 4: Simplify right side
    14,875.17x = 167,537,988.30
  5. Step 5: Solve for x
    x = 167,537,988.30/14,875.17
  6. Step 6: Final answer
    x = 11,262.93

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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.