Home / 19,316.40-26,656.17-11,359.14

Finding the Fourth Proportional to 19,316.40, 26,656.17 and 11,359.14

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Solution

The fourth proportional to 19,316.40, 26,656.17 and 11,359.14 is: 15,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.40 : 26,656.17 = 11,359.14 : x
  2. Step 2: Convert to fraction form
    19,316.40/26,656.17 = 11,359.14/x
  3. Step 3: Cross multiply
    19,316.40x = 26,656.17 × 11,359.14
  4. Step 4: Simplify right side
    19,316.40x = 302,791,166.89
  5. Step 5: Solve for x
    x = 302,791,166.89/19,316.40
  6. Step 6: Final answer
    x = 15,675.34

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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.