Home / 15,326.47-23,001.10-11,386.90

Finding the Fourth Proportional to 15,326.47, 23,001.10 and 11,386.90

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Solution

The fourth proportional to 15,326.47, 23,001.10 and 11,386.90 is: 17,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.47 : 23,001.10 = 11,386.90 : x
  2. Step 2: Convert to fraction form
    15,326.47/23,001.10 = 11,386.90/x
  3. Step 3: Cross multiply
    15,326.47x = 23,001.10 × 11,386.90
  4. Step 4: Simplify right side
    15,326.47x = 261,911,110.58
  5. Step 5: Solve for x
    x = 261,911,110.58/15,326.47
  6. Step 6: Final answer
    x = 17,088.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.