Home / 19,043.75-26,283.47-11,386.50

Finding the Fourth Proportional to 19,043.75, 26,283.47 and 11,386.50

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Solution

The fourth proportional to 19,043.75, 26,283.47 and 11,386.50 is: 15,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.75 : 26,283.47 = 11,386.50 : x
  2. Step 2: Convert to fraction form
    19,043.75/26,283.47 = 11,386.50/x
  3. Step 3: Cross multiply
    19,043.75x = 26,283.47 × 11,386.50
  4. Step 4: Simplify right side
    19,043.75x = 299,276,674.22
  5. Step 5: Solve for x
    x = 299,276,674.22/19,043.75
  6. Step 6: Final answer
    x = 15,715.22

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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.