Home / 14,875.74-20,528.34-8,161.04

Finding the Fourth Proportional to 14,875.74, 20,528.34 and 8,161.04

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Solution

The fourth proportional to 14,875.74, 20,528.34 and 8,161.04 is: 11,262.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.74 : 20,528.34 = 8,161.04 : x
  2. Step 2: Convert to fraction form
    14,875.74/20,528.34 = 8,161.04/x
  3. Step 3: Cross multiply
    14,875.74x = 20,528.34 × 8,161.04
  4. Step 4: Simplify right side
    14,875.74x = 167,532,501.23
  5. Step 5: Solve for x
    x = 167,532,501.23/14,875.74
  6. Step 6: Final answer
    x = 11,262.13

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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.