Home / 19,355.14-26,710.38-10,859.14

Finding the Fourth Proportional to 19,355.14, 26,710.38 and 10,859.14

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Solution

The fourth proportional to 19,355.14, 26,710.38 and 10,859.14 is: 14,985.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.14 : 26,710.38 = 10,859.14 : x
  2. Step 2: Convert to fraction form
    19,355.14/26,710.38 = 10,859.14/x
  3. Step 3: Cross multiply
    19,355.14x = 26,710.38 × 10,859.14
  4. Step 4: Simplify right side
    19,355.14x = 290,051,689.10
  5. Step 5: Solve for x
    x = 290,051,689.10/19,355.14
  6. Step 6: Final answer
    x = 14,985.77

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Double scale
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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.