Home / 19,526.63-26,959.70-12,087.59

Finding the Fourth Proportional to 19,526.63, 26,959.70 and 12,087.59

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Solution

The fourth proportional to 19,526.63, 26,959.70 and 12,087.59 is: 16,688.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.63 : 26,959.70 = 12,087.59 : x
  2. Step 2: Convert to fraction form
    19,526.63/26,959.70 = 12,087.59/x
  3. Step 3: Cross multiply
    19,526.63x = 26,959.70 × 12,087.59
  4. Step 4: Simplify right side
    19,526.63x = 325,877,695.54
  5. Step 5: Solve for x
    x = 325,877,695.54/19,526.63
  6. Step 6: Final answer
    x = 16,688.89

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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.