Home / 19,511.08-26,925.70-11,127.40

Finding the Fourth Proportional to 19,511.08, 26,925.70 and 11,127.40

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Solution

The fourth proportional to 19,511.08, 26,925.70 and 11,127.40 is: 15,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.08 : 26,925.70 = 11,127.40 : x
  2. Step 2: Convert to fraction form
    19,511.08/26,925.70 = 11,127.40/x
  3. Step 3: Cross multiply
    19,511.08x = 26,925.70 × 11,127.40
  4. Step 4: Simplify right side
    19,511.08x = 299,613,034.18
  5. Step 5: Solve for x
    x = 299,613,034.18/19,511.08
  6. Step 6: Final answer
    x = 15,356.05

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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.