Home / 12,585.90-18,953.76-10,962.05

Finding the Fourth Proportional to 12,585.90, 18,953.76 and 10,962.05

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Solution

The fourth proportional to 12,585.90, 18,953.76 and 10,962.05 is: 16,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.90 : 18,953.76 = 10,962.05 : x
  2. Step 2: Convert to fraction form
    12,585.90/18,953.76 = 10,962.05/x
  3. Step 3: Cross multiply
    12,585.90x = 18,953.76 × 10,962.05
  4. Step 4: Simplify right side
    12,585.90x = 207,772,117.76
  5. Step 5: Solve for x
    x = 207,772,117.76/12,585.90
  6. Step 6: Final answer
    x = 16,508.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.