Home / 13,862.53-19,130.01-7,574.95

Finding the Fourth Proportional to 13,862.53, 19,130.01 and 7,574.95

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Solution

The fourth proportional to 13,862.53, 19,130.01 and 7,574.95 is: 10,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.53 : 19,130.01 = 7,574.95 : x
  2. Step 2: Convert to fraction form
    13,862.53/19,130.01 = 7,574.95/x
  3. Step 3: Cross multiply
    13,862.53x = 19,130.01 × 7,574.95
  4. Step 4: Simplify right side
    13,862.53x = 144,908,869.25
  5. Step 5: Solve for x
    x = 144,908,869.25/13,862.53
  6. Step 6: Final answer
    x = 10,453.28

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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.