Home / 13,907.48-20,862.51-4,547.55

Finding the Fourth Proportional to 13,907.48, 20,862.51 and 4,547.55

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Solution

The fourth proportional to 13,907.48, 20,862.51 and 4,547.55 is: 6,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,907.48 : 20,862.51 = 4,547.55 : x
  2. Step 2: Convert to fraction form
    13,907.48/20,862.51 = 4,547.55/x
  3. Step 3: Cross multiply
    13,907.48x = 20,862.51 × 4,547.55
  4. Step 4: Simplify right side
    13,907.48x = 94,873,307.35
  5. Step 5: Solve for x
    x = 94,873,307.35/13,907.48
  6. Step 6: Final answer
    x = 6,821.75

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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.