Home / 13,862.30-19,130.02-7,574.67

Finding the Fourth Proportional to 13,862.30, 19,130.02 and 7,574.67

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Solution

The fourth proportional to 13,862.30, 19,130.02 and 7,574.67 is: 10,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862.30 : 19,130.02 = 7,574.67 : x
  2. Step 2: Convert to fraction form
    13,862.30/19,130.02 = 7,574.67/x
  3. Step 3: Cross multiply
    13,862.30x = 19,130.02 × 7,574.67
  4. Step 4: Simplify right side
    13,862.30x = 144,903,569.66
  5. Step 5: Solve for x
    x = 144,903,569.66/13,862.30
  6. Step 6: Final answer
    x = 10,453.07

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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.