Home / 19,316.91-26,657.99-10,819.40

Finding the Fourth Proportional to 19,316.91, 26,657.99 and 10,819.40

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Solution

The fourth proportional to 19,316.91, 26,657.99 and 10,819.40 is: 14,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.91 : 26,657.99 = 10,819.40 : x
  2. Step 2: Convert to fraction form
    19,316.91/26,657.99 = 10,819.40/x
  3. Step 3: Cross multiply
    19,316.91x = 26,657.99 × 10,819.40
  4. Step 4: Simplify right side
    19,316.91x = 288,423,350.76
  5. Step 5: Solve for x
    x = 288,423,350.76/19,316.91
  6. Step 6: Final answer
    x = 14,931.13

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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.