Home / 19,547.90-26,975.46-11,585.40

Finding the Fourth Proportional to 19,547.90, 26,975.46 and 11,585.40

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Solution

The fourth proportional to 19,547.90, 26,975.46 and 11,585.40 is: 15,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.90 : 26,975.46 = 11,585.40 : x
  2. Step 2: Convert to fraction form
    19,547.90/26,975.46 = 11,585.40/x
  3. Step 3: Cross multiply
    19,547.90x = 26,975.46 × 11,585.40
  4. Step 4: Simplify right side
    19,547.90x = 312,521,494.28
  5. Step 5: Solve for x
    x = 312,521,494.28/19,547.90
  6. Step 6: Final answer
    x = 15,987.47

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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.