Home / 19,117.53-26,386.40-10,622.57

Finding the Fourth Proportional to 19,117.53, 26,386.40 and 10,622.57

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Solution

The fourth proportional to 19,117.53, 26,386.40 and 10,622.57 is: 14,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,117.53 : 26,386.40 = 10,622.57 : x
  2. Step 2: Convert to fraction form
    19,117.53/26,386.40 = 10,622.57/x
  3. Step 3: Cross multiply
    19,117.53x = 26,386.40 × 10,622.57
  4. Step 4: Simplify right side
    19,117.53x = 280,291,249.12
  5. Step 5: Solve for x
    x = 280,291,249.12/19,117.53
  6. Step 6: Final answer
    x = 14,661.48

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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.