Home / 14,810.40-20,416.70-11,267.46

Finding the Fourth Proportional to 14,810.40, 20,416.70 and 11,267.46

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Solution

The fourth proportional to 14,810.40, 20,416.70 and 11,267.46 is: 15,532.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,810.40 : 20,416.70 = 11,267.46 : x
  2. Step 2: Convert to fraction form
    14,810.40/20,416.70 = 11,267.46/x
  3. Step 3: Cross multiply
    14,810.40x = 20,416.70 × 11,267.46
  4. Step 4: Simplify right side
    14,810.40x = 230,044,350.58
  5. Step 5: Solve for x
    x = 230,044,350.58/14,810.40
  6. Step 6: Final answer
    x = 15,532.62

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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.