Home / 19,526.61-26,918.70-13,927.89

Finding the Fourth Proportional to 19,526.61, 26,918.70 and 13,927.89

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Solution

The fourth proportional to 19,526.61, 26,918.70 and 13,927.89 is: 19,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,526.61 : 26,918.70 = 13,927.89 : x
  2. Step 2: Convert to fraction form
    19,526.61/26,918.70 = 13,927.89/x
  3. Step 3: Cross multiply
    19,526.61x = 26,918.70 × 13,927.89
  4. Step 4: Simplify right side
    19,526.61x = 374,920,692.54
  5. Step 5: Solve for x
    x = 374,920,692.54/19,526.61
  6. Step 6: Final answer
    x = 19,200.50

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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.