Home / 19,359.90-26,715.88-11,402.46

Finding the Fourth Proportional to 19,359.90, 26,715.88 and 11,402.46

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Solution

The fourth proportional to 19,359.90, 26,715.88 and 11,402.46 is: 15,734.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.90 : 26,715.88 = 11,402.46 : x
  2. Step 2: Convert to fraction form
    19,359.90/26,715.88 = 11,402.46/x
  3. Step 3: Cross multiply
    19,359.90x = 26,715.88 × 11,402.46
  4. Step 4: Simplify right side
    19,359.90x = 304,626,753.06
  5. Step 5: Solve for x
    x = 304,626,753.06/19,359.90
  6. Step 6: Final answer
    x = 15,734.93

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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.