Home / 19,270.09-26,595.29-11,312.31

Finding the Fourth Proportional to 19,270.09, 26,595.29 and 11,312.31

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Solution

The fourth proportional to 19,270.09, 26,595.29 and 11,312.31 is: 15,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.09 : 26,595.29 = 11,312.31 : x
  2. Step 2: Convert to fraction form
    19,270.09/26,595.29 = 11,312.31/x
  3. Step 3: Cross multiply
    19,270.09x = 26,595.29 × 11,312.31
  4. Step 4: Simplify right side
    19,270.09x = 300,854,248.10
  5. Step 5: Solve for x
    x = 300,854,248.10/19,270.09
  6. Step 6: Final answer
    x = 15,612.50

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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.