Home / 19,437.90-26,824.49-11,054.40

Finding the Fourth Proportional to 19,437.90, 26,824.49 and 11,054.40

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Solution

The fourth proportional to 19,437.90, 26,824.49 and 11,054.40 is: 15,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437.90 : 26,824.49 = 11,054.40 : x
  2. Step 2: Convert to fraction form
    19,437.90/26,824.49 = 11,054.40/x
  3. Step 3: Cross multiply
    19,437.90x = 26,824.49 × 11,054.40
  4. Step 4: Simplify right side
    19,437.90x = 296,528,642.26
  5. Step 5: Solve for x
    x = 296,528,642.26/19,437.90
  6. Step 6: Final answer
    x = 15,255.18

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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.