Home / 14,283.04-19,710.28-7,909.26

Finding the Fourth Proportional to 14,283.04, 19,710.28 and 7,909.26

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Solution

The fourth proportional to 14,283.04, 19,710.28 and 7,909.26 is: 10,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.04 : 19,710.28 = 7,909.26 : x
  2. Step 2: Convert to fraction form
    14,283.04/19,710.28 = 7,909.26/x
  3. Step 3: Cross multiply
    14,283.04x = 19,710.28 × 7,909.26
  4. Step 4: Simplify right side
    14,283.04x = 155,893,729.19
  5. Step 5: Solve for x
    x = 155,893,729.19/14,283.04
  6. Step 6: Final answer
    x = 10,914.60

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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.