Home / 19,492.30-26,899.40-10,539.88

Finding the Fourth Proportional to 19,492.30, 26,899.40 and 10,539.88

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Solution

The fourth proportional to 19,492.30, 26,899.40 and 10,539.88 is: 14,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492.30 : 26,899.40 = 10,539.88 : x
  2. Step 2: Convert to fraction form
    19,492.30/26,899.40 = 10,539.88/x
  3. Step 3: Cross multiply
    19,492.30x = 26,899.40 × 10,539.88
  4. Step 4: Simplify right side
    19,492.30x = 283,516,448.07
  5. Step 5: Solve for x
    x = 283,516,448.07/19,492.30
  6. Step 6: Final answer
    x = 14,545.05

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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.