Home / 19,476.86-26,886.53-15,160.16

Finding the Fourth Proportional to 19,476.86, 26,886.53 and 15,160.16

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Solution

The fourth proportional to 19,476.86, 26,886.53 and 15,160.16 is: 20,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,476.86 : 26,886.53 = 15,160.16 : x
  2. Step 2: Convert to fraction form
    19,476.86/26,886.53 = 15,160.16/x
  3. Step 3: Cross multiply
    19,476.86x = 26,886.53 × 15,160.16
  4. Step 4: Simplify right side
    19,476.86x = 407,604,201.76
  5. Step 5: Solve for x
    x = 407,604,201.76/19,476.86
  6. Step 6: Final answer
    x = 20,927.62

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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.