Home / 19,312.75-26,648.51-10,815.24

Finding the Fourth Proportional to 19,312.75, 26,648.51 and 10,815.24

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Solution

The fourth proportional to 19,312.75, 26,648.51 and 10,815.24 is: 14,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.75 : 26,648.51 = 10,815.24 : x
  2. Step 2: Convert to fraction form
    19,312.75/26,648.51 = 10,815.24/x
  3. Step 3: Cross multiply
    19,312.75x = 26,648.51 × 10,815.24
  4. Step 4: Simplify right side
    19,312.75x = 288,210,031.29
  5. Step 5: Solve for x
    x = 288,210,031.29/19,312.75
  6. Step 6: Final answer
    x = 14,923.30

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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.