Home / 32,691.72-45,113.40-18,547.32

Finding the Fourth Proportional to 32,691.72, 45,113.40 and 18,547.32

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Solution

The fourth proportional to 32,691.72, 45,113.40 and 18,547.32 is: 25,594.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,691.72 : 45,113.40 = 18,547.32 : x
  2. Step 2: Convert to fraction form
    32,691.72/45,113.40 = 18,547.32/x
  3. Step 3: Cross multiply
    32,691.72x = 45,113.40 × 18,547.32
  4. Step 4: Simplify right side
    32,691.72x = 836,732,666.09
  5. Step 5: Solve for x
    x = 836,732,666.09/32,691.72
  6. Step 6: Final answer
    x = 25,594.64

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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.