Home / 14,178.13-21,264.35-13,475.59

Finding the Fourth Proportional to 14,178.13, 21,264.35 and 13,475.59

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Solution

The fourth proportional to 14,178.13, 21,264.35 and 13,475.59 is: 20,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.13 : 21,264.35 = 13,475.59 : x
  2. Step 2: Convert to fraction form
    14,178.13/21,264.35 = 13,475.59/x
  3. Step 3: Cross multiply
    14,178.13x = 21,264.35 × 13,475.59
  4. Step 4: Simplify right side
    14,178.13x = 286,549,541.68
  5. Step 5: Solve for x
    x = 286,549,541.68/14,178.13
  6. Step 6: Final answer
    x = 20,210.68

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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.