Home / 19,125.66-26,402.40-12,762.84

Finding the Fourth Proportional to 19,125.66, 26,402.40 and 12,762.84

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Solution

The fourth proportional to 19,125.66, 26,402.40 and 12,762.84 is: 17,618.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.66 : 26,402.40 = 12,762.84 : x
  2. Step 2: Convert to fraction form
    19,125.66/26,402.40 = 12,762.84/x
  3. Step 3: Cross multiply
    19,125.66x = 26,402.40 × 12,762.84
  4. Step 4: Simplify right side
    19,125.66x = 336,969,606.82
  5. Step 5: Solve for x
    x = 336,969,606.82/19,125.66
  6. Step 6: Final answer
    x = 17,618.72

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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.