Home / 14,320.51-21,461.31-10,636.63

Finding the Fourth Proportional to 14,320.51, 21,461.31 and 10,636.63

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Solution

The fourth proportional to 14,320.51, 21,461.31 and 10,636.63 is: 15,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320.51 : 21,461.31 = 10,636.63 : x
  2. Step 2: Convert to fraction form
    14,320.51/21,461.31 = 10,636.63/x
  3. Step 3: Cross multiply
    14,320.51x = 21,461.31 × 10,636.63
  4. Step 4: Simplify right side
    14,320.51x = 228,276,013.79
  5. Step 5: Solve for x
    x = 228,276,013.79/14,320.51
  6. Step 6: Final answer
    x = 15,940.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.