Home / 13,030.23-19,547.40-4,263.09

Finding the Fourth Proportional to 13,030.23, 19,547.40 and 4,263.09

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Solution

The fourth proportional to 13,030.23, 19,547.40 and 4,263.09 is: 6,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.23 : 19,547.40 = 4,263.09 : x
  2. Step 2: Convert to fraction form
    13,030.23/19,547.40 = 4,263.09/x
  3. Step 3: Cross multiply
    13,030.23x = 19,547.40 × 4,263.09
  4. Step 4: Simplify right side
    13,030.23x = 83,332,325.47
  5. Step 5: Solve for x
    x = 83,332,325.47/13,030.23
  6. Step 6: Final answer
    x = 6,395.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.