Home / 19,355.07-26,709.05-10,856.13

Finding the Fourth Proportional to 19,355.07, 26,709.05 and 10,856.13

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Solution

The fourth proportional to 19,355.07, 26,709.05 and 10,856.13 is: 14,980.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.07 : 26,709.05 = 10,856.13 : x
  2. Step 2: Convert to fraction form
    19,355.07/26,709.05 = 10,856.13/x
  3. Step 3: Cross multiply
    19,355.07x = 26,709.05 × 10,856.13
  4. Step 4: Simplify right side
    19,355.07x = 289,956,864.70
  5. Step 5: Solve for x
    x = 289,956,864.70/19,355.07
  6. Step 6: Final answer
    x = 14,980.93

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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.