Home / 19,316.60-26,656.57-10,818.64

Finding the Fourth Proportional to 19,316.60, 26,656.57 and 10,818.64

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Solution

The fourth proportional to 19,316.60, 26,656.57 and 10,818.64 is: 14,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316.60 : 26,656.57 = 10,818.64 : x
  2. Step 2: Convert to fraction form
    19,316.60/26,656.57 = 10,818.64/x
  3. Step 3: Cross multiply
    19,316.60x = 26,656.57 × 10,818.64
  4. Step 4: Simplify right side
    19,316.60x = 288,387,775.91
  5. Step 5: Solve for x
    x = 288,387,775.91/19,316.60
  6. Step 6: Final answer
    x = 14,929.53

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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.