Home / 18,875.12-26,036.08-13,577.04

Finding the Fourth Proportional to 18,875.12, 26,036.08 and 13,577.04

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Solution

The fourth proportional to 18,875.12, 26,036.08 and 13,577.04 is: 18,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.12 : 26,036.08 = 13,577.04 : x
  2. Step 2: Convert to fraction form
    18,875.12/26,036.08 = 13,577.04/x
  3. Step 3: Cross multiply
    18,875.12x = 26,036.08 × 13,577.04
  4. Step 4: Simplify right side
    18,875.12x = 353,492,899.60
  5. Step 5: Solve for x
    x = 353,492,899.60/18,875.12
  6. Step 6: Final answer
    x = 18,727.98

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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.