Home / 19,143.18-26,417.52-10,645.06

Finding the Fourth Proportional to 19,143.18, 26,417.52 and 10,645.06

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Solution

The fourth proportional to 19,143.18, 26,417.52 and 10,645.06 is: 14,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.18 : 26,417.52 = 10,645.06 : x
  2. Step 2: Convert to fraction form
    19,143.18/26,417.52 = 10,645.06/x
  3. Step 3: Cross multiply
    19,143.18x = 26,417.52 × 10,645.06
  4. Step 4: Simplify right side
    19,143.18x = 281,216,085.45
  5. Step 5: Solve for x
    x = 281,216,085.45/19,143.18
  6. Step 6: Final answer
    x = 14,690.14

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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.