Home / 14,835.47-20,476.29-9,175.70

Finding the Fourth Proportional to 14,835.47, 20,476.29 and 9,175.70

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Solution

The fourth proportional to 14,835.47, 20,476.29 and 9,175.70 is: 12,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.47 : 20,476.29 = 9,175.70 : x
  2. Step 2: Convert to fraction form
    14,835.47/20,476.29 = 9,175.70/x
  3. Step 3: Cross multiply
    14,835.47x = 20,476.29 × 9,175.70
  4. Step 4: Simplify right side
    14,835.47x = 187,884,264.57
  5. Step 5: Solve for x
    x = 187,884,264.57/14,835.47
  6. Step 6: Final answer
    x = 12,664.53

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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.