Home / 19,312.48-26,649.91-10,813.15

Finding the Fourth Proportional to 19,312.48, 26,649.91 and 10,813.15

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Solution

The fourth proportional to 19,312.48, 26,649.91 and 10,813.15 is: 14,921.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.48 : 26,649.91 = 10,813.15 : x
  2. Step 2: Convert to fraction form
    19,312.48/26,649.91 = 10,813.15/x
  3. Step 3: Cross multiply
    19,312.48x = 26,649.91 × 10,813.15
  4. Step 4: Simplify right side
    19,312.48x = 288,169,474.32
  5. Step 5: Solve for x
    x = 288,169,474.32/19,312.48
  6. Step 6: Final answer
    x = 14,921.41

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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.