Home / 13,312.98-19,969.47-4,547.97

Finding the Fourth Proportional to 13,312.98, 19,969.47 and 4,547.97

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Solution

The fourth proportional to 13,312.98, 19,969.47 and 4,547.97 is: 6,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.98 : 19,969.47 = 4,547.97 : x
  2. Step 2: Convert to fraction form
    13,312.98/19,969.47 = 4,547.97/x
  3. Step 3: Cross multiply
    13,312.98x = 19,969.47 × 4,547.97
  4. Step 4: Simplify right side
    13,312.98x = 90,820,550.48
  5. Step 5: Solve for x
    x = 90,820,550.48/13,312.98
  6. Step 6: Final answer
    x = 6,821.96

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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.