Home / 19,608.42-27,077.55-12,547.23

Finding the Fourth Proportional to 19,608.42, 27,077.55 and 12,547.23

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Solution

The fourth proportional to 19,608.42, 27,077.55 and 12,547.23 is: 17,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,608.42 : 27,077.55 = 12,547.23 : x
  2. Step 2: Convert to fraction form
    19,608.42/27,077.55 = 12,547.23/x
  3. Step 3: Cross multiply
    19,608.42x = 27,077.55 × 12,547.23
  4. Step 4: Simplify right side
    19,608.42x = 339,748,247.69
  5. Step 5: Solve for x
    x = 339,748,247.69/19,608.42
  6. Step 6: Final answer
    x = 17,326.65

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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.